diff --git a/www/html/Game/public/js/play.js b/www/html/Game/public/js/play.js
index 5d095c1..70ecb40 100644
--- a/www/html/Game/public/js/play.js
+++ b/www/html/Game/public/js/play.js
@@ -14,6 +14,8 @@
   const forceDefaultCharacter = params.get('defaultChar') === '1';
   const editorEmbedReturn = params.get('editorEmbed') === '1';
   const playMapIdFromQuery = (params.get('map') || '').trim();
+  /** mapId จาก join / game-start — ใช้จับฉาก crown เมื่อ URL ไม่มี ?map= */
+  let playSessionMapId = playMapIdFromQuery;
   /** สรุปภารกิจแบบ mock (popup-result ฯลฯ) — ใช้เฉพาะฉากนี้จาก editor (id ใน URL เช่น editor.html?id=mnorwqx1) */
   const quizCarryMissionSummaryMapId = 'mnorwqx1';
   const quizCarryUseMissionSummaryOverlay = playMapIdFromQuery === quizCarryMissionSummaryMapId;
@@ -99,7 +101,7 @@
   /** โหลดจาก mapData.gridImageLibrary — ดัชนีตรงกับ gridImageCells[y][x] */
   let mapGridImageImgs = [];
   let mapGridImageHeldImgs = [];
-  let me = { x: 1, y: 1, direction: 'down', nickname: nick, isWalking: false, playTint: null, gauntletScore: 0, tx: null, ty: null, quizCarryHeld: null };
+  let me = { x: 1, y: 1, direction: 'down', nickname: nick, isWalking: false, playTint: null, gauntletScore: 0, gauntletEliminated: false, tx: null, ty: null, quizCarryHeld: null };
   const others = new Map();
   /** Stack preview HUD: เทอร์มินัลล็อก (cyber UI) */
   const STACK_PREVIEW_HUD_LOG_MAX = 8;
@@ -2026,7 +2028,10 @@
       if (o.botAnswerWander == null) o.botAnswerWander = false;
       if (o.gauntletJumpTicks == null) o.gauntletJumpTicks = 0;
       if (o.gauntletJumpVis == null) o.gauntletJumpVis = o.gauntletJumpTicks;
-      if (o.gauntletScore == null) o.gauntletScore = 0;
+      if (o.gauntletScore == null) {
+        o.gauntletScore = (mapData && mapData.gameType === 'gauntlet' && isGauntletCrownHeistMapPlay()) ? 100 : 0;
+      }
+      if (o.gauntletEliminated == null) o.gauntletEliminated = false;
       if (o.botWanderDx == null || o.botWanderDy == null || (o.botWanderDx === 0 && o.botWanderDy === 0)) {
         const wd = [[0, -1], [0, 1], [-1, 0], [1, 0]][Math.floor(Math.random() * 4)];
         o.botWanderDx = wd[0];
@@ -2058,6 +2063,7 @@
       const tierRoll = Math.random();
       const botTier = tierRoll < 0.28 ? 'sharp' : tierRoll < 0.62 ? 'avg' : 'weak';
       const wd = [[0, -1], [0, 1], [-1, 0], [1, 0]][Math.floor(Math.random() * 4)];
+      const crownStart = mapData.gameType === 'gauntlet' && isGauntletCrownHeistMapPlay();
         others.set(id, {
         x, y, tx: x, ty: y,
         direction: ['down', 'up', 'left', 'right'][Math.floor(Math.random() * 4)],
@@ -2067,7 +2073,8 @@
         botTier,
         gauntletJumpTicks: 0,
         gauntletJumpVis: 0,
-        gauntletScore: 0,
+        gauntletScore: crownStart ? 100 : 0,
+        gauntletEliminated: false,
         quizCannotTrue: false,
         quizCannotFalse: false,
         quizCarryHeld: null,
@@ -2441,7 +2448,15 @@
   function isFrogger() { return mapData && mapData.gameType === 'frogger'; }
   function isGauntlet() { return mapData && mapData.gameType === 'gauntlet'; }
   function isGauntletFaceRightMapMno9kb07() {
-    return !!(isGauntlet() && playMapIdFromQuery === GAUNTLET_FACE_RIGHT_MAP_ID);
+    return !!(isGauntlet() && playSessionMapId === GAUNTLET_FACE_RIGHT_MAP_ID);
+  }
+  /** Crown heist rules + UI (เดียวกับหันขวา — ฉาก mno9kb07) */
+  function isGauntletCrownHeistMapPlay() {
+    return isGauntletFaceRightMapMno9kb07();
+  }
+  let gauntletCrownHowtoVisible = false;
+  function isGauntletCrownHowtoBlocking() {
+    return isGauntletCrownHeistMapPlay() && gauntletCrownHowtoVisible;
   }
   function isStack() { return mapData && mapData.gameType === 'stack'; }
   function isJumpSurvive() { return mapData && mapData.gameType === 'jump_survive'; }
@@ -5068,6 +5083,7 @@
    * — ตอบสนองสิ่งกีดขวางที่ชนเซลล์เดียวกัน + กระโดดล่วงหน้าเมื่อ threat อยู่คอลัมน์ถัดไป
    */
   function maybePreviewBotGauntletJump(o, obstacles, w, h) {
+    if (isGauntletCrownHeistMapPlay() && o.gauntletEliminated) return;
     let px = Math.floor(Number(o.x)) || 0;
     let py = Math.floor(Number(o.y)) || 0;
     px = Math.max(0, Math.min(w - 1, px));
@@ -5101,12 +5117,14 @@
 
   /** หนึ่ง tick เดียวกับ runGauntletTick ฝั่งเซิร์ฟเวอร์ (เฉพาะ collision + เลื่อน x) */
   function applyGauntletPhysicsToPreviewBot(o, obstacles, w, h) {
+    if (isGauntletCrownHeistMapPlay() && o.gauntletEliminated) return;
     let px = Math.floor(Number(o.x)) || 0;
     let py = Math.floor(Number(o.y)) || 0;
     px = Math.max(0, Math.min(w - 1, px));
     py = Math.max(0, Math.min(h - 1, py));
     const air = (o.gauntletJumpTicks || 0) > 0;
     const { ch: gauntletCh2 } = getCharacterFootprintWH(mapData);
+    const crown = isGauntletCrownHeistMapPlay();
     let advanceX = false;
     let hitBack = false;
     for (let i = 0; i < obstacles.length; i++) {
@@ -5129,9 +5147,21 @@
     if (advanceX) {
       px = Math.min(w - 2, px + 1);
       o.gauntletJumpTicks = 0;
-      o.gauntletScore = (o.gauntletScore || 0) + 1;
+      if (!crown) {
+        o.gauntletScore = (o.gauntletScore || 0) + 1;
+      }
     } else if (hitBack) {
-      px = Math.max(0, px - 1);
+      if (crown) {
+        if (px <= 0) {
+          o.gauntletEliminated = true;
+          o.gauntletScore = 0;
+        } else {
+          o.gauntletScore = Math.max(0, (o.gauntletScore || 0) - 10);
+          px = Math.max(0, px - 1);
+        }
+      } else {
+        px = Math.max(0, px - 1);
+      }
     }
     if ((o.gauntletJumpTicks || 0) > 0) o.gauntletJumpTicks--;
     o.tx = px;
@@ -5165,6 +5195,163 @@
     socket.emit('gauntlet-preview-rows', { ys: [...ysSet] });
   }
 
+  /** ซ่อน overlay โหมดอื่นที่ค้างจาก embed / session ก่อน — กัน UI ซ้อนไม่ตรง mock */
+  function hideConflictingOverlaysForGauntletCrown() {
+    hideQuizCarryPregameOverlay();
+    quizCarryPregameActive = false;
+    const hideIds = [
+      'quiz-game-overlay',
+      'quiz-carry-mission-overlay',
+      'gauntlet-ended-overlay',
+      'quiz-battle-mcq-overlay',
+      'quiz-carry-embed-countdown',
+      'quiz-carry-embed-q-strip',
+      'play-quiz-scoreboard',
+      'play-quiz-feedback',
+    ];
+    for (let i = 0; i < hideIds.length; i++) {
+      const el = document.getElementById(hideIds[i]);
+      if (el) el.classList.add('is-hidden');
+    }
+    const gcm = document.getElementById('gauntlet-crown-mission-overlay');
+    if (gcm) gcm.classList.add('is-hidden');
+  }
+
+  function gcmRankBadgeUrl(rank) {
+    const r = Math.floor(Number(rank)) || 99;
+    if (r === 1) return BASE + '/img/gauntlet-assets/result-1st.png';
+    if (r === 2) return BASE + '/img/gauntlet-assets/result-2nd.png';
+    if (r === 3) return BASE + '/img/gauntlet-assets/result-3rd.png';
+    return BASE + '/img/gauntlet-assets/result-txt-2.png';
+  }
+
+  function showGauntletCrownHowtoOverlay() {
+    if (!isGauntletCrownHeistMapPlay()) return;
+    hideConflictingOverlaysForGauntletCrown();
+    const ov = document.getElementById('gauntlet-crown-howto-overlay');
+    if (!ov) return;
+    gauntletCrownHowtoVisible = true;
+    ov.classList.remove('is-hidden');
+    const btn = document.getElementById('btn-gch-ready');
+    if (btn) {
+      btn.onclick = function () {
+        ov.classList.add('is-hidden');
+        gauntletCrownHowtoVisible = false;
+      };
+    }
+  }
+
+  function showGauntletCrownMissionOverlay(mission) {
+    const ov = document.getElementById('gauntlet-crown-mission-overlay');
+    const rowEl = document.getElementById('gcm-rank-row');
+    const totalEl = document.getElementById('gcm-total');
+    const gradeEl = document.getElementById('gcm-grade');
+    const bonusEl = document.getElementById('gcm-bonus');
+    const btn = document.getElementById('btn-gcm-done');
+    if (!ov || !rowEl || !mission || !Array.isArray(mission.ranked)) return;
+    rowEl.innerHTML = '';
+    mission.ranked.forEach((r) => {
+      const cell = document.createElement('div');
+      cell.className = 'gcm-cell';
+      const tag = document.createElement('div');
+      tag.className = 'gcm-rank-tag';
+      const rk = Math.floor(Number(r.rank)) || 0;
+      if (rk >= 1 && rk <= 3) {
+        const tagImg = document.createElement('img');
+        tagImg.src = gcmRankBadgeUrl(rk);
+        tagImg.alt = '[' + String(r.rankLabel || rk) + ']';
+        tagImg.style.maxWidth = '100%';
+        tagImg.style.height = 'auto';
+        tag.appendChild(tagImg);
+      } else {
+        tag.textContent = '[' + String(r.rankLabel || rk) + ']';
+      }
+      const frame = document.createElement('div');
+      frame.className = 'gcm-frame';
+      const img = document.createElement('img');
+      img.className = 'gcm-av';
+      img.alt = '';
+      const cid = r.characterId ? String(r.characterId) : '';
+      if (cid) {
+        const im = getCharacterImg(cid, 'down');
+        if (im && im.src) img.src = im.src;
+      } else {
+        img.src = defaultAvatarImg.src;
+      }
+      img.onerror = function () {
+        this.onerror = null;
+        this.src = defaultAvatarImg.src;
+      };
+      frame.appendChild(img);
+      if (r.eliminated) {
+        const st = document.createElement('img');
+        st.className = 'gcm-stamp';
+        st.src = BASE + '/img/gauntlet-assets/result-Lose_stamp.png';
+        st.alt = 'เสียชีวิต';
+        frame.appendChild(st);
+      }
+      const nick = document.createElement('div');
+      nick.className = 'gcm-nick';
+      nick.textContent = r.nickname || '—';
+      const sc = document.createElement('div');
+      sc.className = 'gcm-sc';
+      sc.textContent = String(r.baseScore || 0) + '(+' + String(r.rankBonus || 0) + ')';
+      cell.appendChild(tag);
+      cell.appendChild(frame);
+      cell.appendChild(nick);
+      cell.appendChild(sc);
+      rowEl.appendChild(cell);
+    });
+    if (totalEl) {
+      const parts = (mission.totalParts || []).map((n) => String(Math.max(0, Number(n) || 0)));
+      const sum = Math.max(0, Number(mission.totalSum) || 0);
+      const avg = Math.max(0, Math.floor(Number(mission.averageScore) || 0));
+      totalEl.innerHTML = 'คะแนนรวม <span class="gcm-total-nums">(' + parts.join('+') + ') = ' + sum + '</span> · เฉลี่ย ' + avg + ' → เกรด';
+    }
+    if (gradeEl) {
+      const g = String(mission.grade || 'C').toUpperCase().charAt(0);
+      gradeEl.textContent = g;
+      gradeEl.className = 'gcm-grade gcm-grade--' + g.toLowerCase();
+    }
+    if (bonusEl) {
+      bonusEl.innerHTML = '';
+      const row = document.createElement('div');
+      row.style.display = 'flex';
+      row.style.alignItems = 'center';
+      row.style.gap = '8px';
+      const chk = document.createElement('img');
+      chk.src = BASE + '/img/gauntlet-assets/result-check.png';
+      chk.alt = '';
+      chk.width = 26;
+      chk.height = 26;
+      const sp = document.createElement('span');
+      sp.style.color = '#9ece6a';
+      sp.style.fontWeight = '700';
+      sp.textContent = 'ภารกิจสำเร็จ';
+      row.appendChild(chk);
+      row.appendChild(sp);
+      bonusEl.appendChild(row);
+      const rc = mission.rewardCard;
+      if (rc && rc.th) {
+        const pl = document.createElement('div');
+        pl.className = 'gcm-plaque';
+        pl.innerHTML = '<strong>' + String(rc.th) + '</strong><span>' + String(rc.en || '') + '</span>';
+        bonusEl.appendChild(pl);
+      }
+    }
+    ov.classList.remove('is-hidden');
+    function goLobby() {
+      ov.classList.add('is-hidden');
+      window.location.href = 'room-lobby.html?space=' + encodeURIComponent(spaceId) + '&nick=' + encodeURIComponent(nick);
+    }
+    if (btn) {
+      btn.onclick = function () {
+        if (previewMode && editorEmbedReturn) ov.classList.add('is-hidden');
+        else goLobby();
+      };
+    }
+  }
+
   function isLobby() { return mapData && mapData.gameType === 'lobby'; }
   function isQuiz() { return mapData && mapData.gameType === 'quiz'; }
   function getLane(y) {
@@ -7351,6 +7538,9 @@
     const prevWasSpaceShooter = mapData && mapData.gameType === 'space_shooter';
     const prevWasBalloonBoss = mapData && mapData.gameType === 'balloon_boss';
     mapData = gameMapData;
+    if (res && res.mapId != null && String(res.mapId).trim() !== '') {
+      playSessionMapId = String(res.mapId).trim();
+    }
     if (res && res.hostId != null) playHostId = res.hostId;
     if (mapData.gameType !== 'space_shooter') {
       spaceShooterGameEnded = false;
@@ -7426,6 +7616,7 @@
     {
       const sc0 = Number(myPeer && myPeer.gauntletScore);
       me.gauntletScore = Number.isFinite(sc0) ? Math.max(0, sc0) : 0;
+      me.gauntletEliminated = !!(myPeer && myPeer.gauntletEliminated);
     }
     {
       const sh0 = Number(myPeer && myPeer.spaceShooterScore);
@@ -7465,6 +7656,7 @@
           gauntletJumpTicks: typeof p.gauntletJumpTicks === 'number' ? p.gauntletJumpTicks : 0,
           gauntletJumpVis: typeof p.gauntletJumpTicks === 'number' ? p.gauntletJumpTicks : 0,
           gauntletScore: (() => { const s = Number(p.gauntletScore); return Number.isFinite(s) ? Math.max(0, s) : 0; })(),
+          gauntletEliminated: !!p.gauntletEliminated,
           spaceShooterScore: (() => { const s = Number(p.spaceShooterScore); return Number.isFinite(s) ? Math.max(0, s) : 0; })(),
           balloonBossScore: (() => { const s = Number(p.balloonBossScore); return Number.isFinite(s) ? Math.max(0, s) : 0; })(),
           balloonBossBalloons: (() => {
@@ -7558,6 +7750,16 @@
     else if (isQuizCarry()) setupPlayQuizCarryUi();
     else if (isQuizBattle()) setupPlayQuizBattleUi();
     else teardownPlayQuizUi();
+    if (mapData.gameType === 'gauntlet' && isGauntletCrownHeistMapPlay()) {
+      hideConflictingOverlaysForGauntletCrown();
+      setTimeout(function () { showGauntletCrownHowtoOverlay(); }, 50);
+    } else {
+      const hov = document.getElementById('gauntlet-crown-howto-overlay');
+      if (hov) {
+        hov.classList.add('is-hidden');
+        gauntletCrownHowtoVisible = false;
+      }
+    }
     resizeCanvas(); draw(); tick();
   }
 
@@ -7862,8 +8064,10 @@
         if (p.direction) me.direction = p.direction;
         const jt = Number(p.gauntletJumpTicks);
         meGauntletJumpTicks = Number.isFinite(jt) ? jt : 0;
+        meGauntletJumpVis = meGauntletJumpTicks;
         const sc = Number(p.gauntletScore);
         me.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+        me.gauntletEliminated = !!p.gauntletEliminated;
       } else {
         const o = others.get(p.id) ?? others.get(pid);
         if (o) {
@@ -7877,6 +8081,7 @@
           if (o.gauntletJumpVis == null) o.gauntletJumpVis = o.gauntletJumpTicks;
           const sc = Number(p.gauntletScore);
           o.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+          o.gauntletEliminated = !!p.gauntletEliminated;
         }
       }
     });
@@ -7887,13 +8092,20 @@
   });
 
   socket.on('gauntlet-ended', (data) => {
+    gauntletEndsAtMs = null;
+    const hto = document.getElementById('gauntlet-crown-howto-overlay');
+    if (hto) hto.classList.add('is-hidden');
+    gauntletCrownHowtoVisible = false;
+    if (data && data.crownMission) {
+      showGauntletCrownMissionOverlay(data.crownMission);
+      return;
+    }
     const ov = document.getElementById('gauntlet-ended-overlay');
     const msgEl = document.getElementById('gauntlet-ended-message');
     const titleEl = document.getElementById('gauntlet-ended-title');
     const listEl = document.getElementById('gauntlet-ended-rankings');
     const btn = document.getElementById('btn-gauntlet-ended-lobby');
     if (!ov || !msgEl || !listEl) return;
-    gauntletEndsAtMs = null;
     if (titleEl) {
       titleEl.textContent = data && data.reason === 'time' ? 'หมดเวลา · Time up' : 'เกมจบ · Game over';
     }
@@ -7923,6 +8135,9 @@
     if (!ev || !ev.mapId) return;
     const applySnap = (md) => {
       mapData = md;
+      if (ev.mapId != null && String(ev.mapId).trim() !== '') {
+        playSessionMapId = String(ev.mapId).trim();
+      }
       if (mapData.gameType !== 'space_shooter') {
         spaceShooterGameEnded = false;
       }
@@ -7955,6 +8170,7 @@
             meGauntletJumpVis = meGauntletJumpTicks;
             const sc = Number(p.gauntletScore);
             me.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+            me.gauntletEliminated = !!p.gauntletEliminated;
           } else {
             const o = others.get(p.id) ?? others.get(String(p.id));
             if (o) {
@@ -7968,6 +8184,7 @@
               o.gauntletJumpVis = o.gauntletJumpTicks;
               const sc = Number(p.gauntletScore);
               o.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+              o.gauntletEliminated = !!p.gauntletEliminated;
             }
           }
         });
@@ -7975,10 +8192,12 @@
         meGauntletJumpTicks = 0;
         meGauntletJumpVis = 0;
         me.gauntletScore = 0;
+        me.gauntletEliminated = false;
         others.forEach((o) => {
           o.gauntletJumpTicks = 0;
           o.gauntletJumpVis = 0;
           o.gauntletScore = 0;
+          o.gauntletEliminated = false;
         });
       }
       if (mapData.gameType === 'gauntlet') {
@@ -7995,8 +8214,18 @@
             if (stackMini && isStack()) stackMini.phaseSpeed = playStackSwingHz;
           })
           .catch(() => {});
+        if (String(ev.mapId || '') === GAUNTLET_FACE_RIGHT_MAP_ID) {
+          setTimeout(function () { showGauntletCrownHowtoOverlay(); }, 60);
+        } else {
+          const hto2 = document.getElementById('gauntlet-crown-howto-overlay');
+          if (hto2) hto2.classList.add('is-hidden');
+          gauntletCrownHowtoVisible = false;
+        }
       } else {
         gauntletEndsAtMs = null;
+        const hto3 = document.getElementById('gauntlet-crown-howto-overlay');
+        if (hto3) hto3.classList.add('is-hidden');
+        gauntletCrownHowtoVisible = false;
       }
       if (mapData.gameType !== 'gauntlet') {
         me.tx = null;
@@ -8004,6 +8233,8 @@
       }
       const gauntletOv = document.getElementById('gauntlet-ended-overlay');
       if (gauntletOv) gauntletOv.classList.add('is-hidden');
+      const gcmOv = document.getElementById('gauntlet-crown-mission-overlay');
+      if (gcmOv) gcmOv.classList.add('is-hidden');
       if (mapData.gameType === 'stack') {
         if (!mapData.stackReleaseArea) mapData.stackReleaseArea = [];
         if (!mapData.stackLandArea) mapData.stackLandArea = [];
@@ -9192,6 +9423,8 @@
             : (me.balloonBossEliminated
             ? 'คุณตกรอบแล้ว — ดูเพื่อนเล่น · You are out — spectate'
             : 'ยานมีแรงเฉื่อย — A D / arrows / W S เร่งทิศทาง · ปล่อยปุ่มแล้วยังไหล (แรงหน่วง) · Space = ยิง (ดีเลย์) · ลูกโป้งหมด = ตกรอบ');
+      } else if (isGauntletCrownHeistMapPlay()) {
+        hintEl.textContent = 'Space / W / ↑ jump · Start 100 pts · Hit -10 · Fall off left edge = out · Rank bonus at end';
       } else {
         hintEl.textContent = 'Space / W / ↑ jump · Lanes + lasers · Clear = right + score';
       }
@@ -9221,7 +9454,8 @@
           : (isSpaceShooter() ? (me.spaceShooterScore || 0)
             : (isBalloonBoss() ? (me.balloonBossScore || 0) : 0))),
       y: safeYv(me.y),
-      eliminated: !!(isJumpSurvive() && jumpSurviveEliminated) || !!(isBalloonBoss() && me.balloonBossEliminated),
+      eliminated: !!(isJumpSurvive() && jumpSurviveEliminated) || !!(isBalloonBoss() && me.balloonBossEliminated)
+        || !!(isGauntletCrownHeistMapPlay() && me.gauntletEliminated),
       isMe: true,
     });
     others.forEach((o, id) => {
@@ -9235,7 +9469,8 @@
               : (isBalloonBoss() ? (o.balloonBossScore || 0) : 0))),
         y: safeYv(o.y),
         eliminated: !!(isJumpSurvive() && isPreviewBotId(id) && o.jumpSurviveEliminated)
-          || !!(isBalloonBoss() && o.balloonBossEliminated),
+          || !!(isBalloonBoss() && o.balloonBossEliminated)
+          || !!(isGauntletCrownHeistMapPlay() && o.gauntletEliminated),
         isMe: false,
       });
     });
@@ -9296,7 +9531,7 @@
       st.textContent = isQuizCarry()
         ? ''
         : (row.eliminated
-          ? (isBalloonBoss() ? 'OUT' : 'OFFLINE')
+          ? (isBalloonBoss() ? 'OUT' : (isGauntletCrownHeistMapPlay() ? 'เสียชีวิต' : 'OFFLINE'))
           : (isBalloonBoss()
             ? ('♥' + Math.max(0, row.isMe ? (me.balloonBossBalloons | 0) : ((() => {
               const ox = others.get(row.id);
@@ -9987,10 +10222,17 @@
       ctx.fillStyle = '#f7768e';
       ctx.font = 'bold 14px sans-serif';
       ctx.textAlign = 'left';
-      ctx.fillText('พรมแดงสุดท้าย | คะแนน: ' + (me.gauntletScore || 0) + ' (ข้าม 1 ชิ้น +1) · สูงสุด 6 คน', 10, 24);
-      ctx.font = '12px sans-serif';
-      ctx.fillStyle = '#c0caf5';
-      ctx.fillText('Space / W / ↑ = กระโดด · เลน + เลเซอร์ · ข้ามสำเร็จ → ขวา 1 + คะแนน · ชน → ซ้าย 1', 10, 42);
+      if (isGauntletCrownHeistMapPlay()) {
+        ctx.fillText('พรมแดงสุดท้าย | คะแนน ' + (me.gauntletScore || 0) + ' · ชน -10 · ขอบซ้ายตาย · สูงสุด 6 คน', 10, 24);
+        ctx.font = '12px sans-serif';
+        ctx.fillStyle = '#c0caf5';
+        ctx.fillText('Space / W / ↑ = กระโดด · เลน + เลเซอร์ · จบเกมมีโบนัสอันดับ + เกรดทีม', 10, 42);
+      } else {
+        ctx.fillText('พรมแดงสุดท้าย | คะแนน: ' + (me.gauntletScore || 0) + ' (ข้าม 1 ชิ้น +1) · สูงสุด 6 คน', 10, 24);
+        ctx.font = '12px sans-serif';
+        ctx.fillStyle = '#c0caf5';
+        ctx.fillText('Space / W / ↑ = กระโดด · เลน + เลเซอร์ · ข้ามสำเร็จ → ขวา 1 + คะแนน · ชน → ซ้าย 1', 10, 42);
+      }
       ctx.fillStyle = '#e0af68';
       if (gauntletEndsAtMs != null && Number.isFinite(gauntletEndsAtMs)) {
         const rem = Math.max(0, Math.ceil((gauntletEndsAtMs - Date.now()) / 1000));
@@ -10082,6 +10324,8 @@
     if (isGauntlet() && mapData && !isChatFocused()) {
       if (e.code === 'Space' || e.code === 'ArrowUp' || e.code === 'KeyW') {
         e.preventDefault();
+        if (isGauntletCrownHowtoBlocking()) return;
+        if (isGauntletCrownHeistMapPlay() && me.gauntletEliminated) return;
         const now = Date.now();
         if (now - lastGauntletJumpKey < 200) return;
         lastGauntletJumpKey = now;
diff --git a/www/html/Game/public/js/version.js b/www/html/Game/public/js/version.js
index a0e87c7..6d696b4 100644
--- a/www/html/Game/public/js/version.js
+++ b/www/html/Game/public/js/version.js
@@ -1,6 +1,6 @@
 // ทุกครั้งที่มีการเพิ่มหรือเปลี่ยน ให้เพิ่ม v +0.0001
 // หลังแก้ค่าแล้วต้อง copy ไป path ที่ Nginx ชี้ (หรือรัน copy-frogger-files-only.sh) ถึงจะเห็นบนเว็บ
-window.APP_VERSION = '0.0169';
+window.APP_VERSION = '0.0170';
 document.addEventListener('DOMContentLoaded', function () {
   var t = document.querySelector('.version-tag');
   if (t) t.textContent = 'v ' + window.APP_VERSION;
diff --git a/www/html/Game/public/play.html b/www/html/Game/public/play.html
index 1b0dc71..c0b8491 100644
--- a/www/html/Game/public/play.html
+++ b/www/html/Game/public/play.html
@@ -12,6 +12,17 @@
   <style>
     html, body { height: 100%; margin: 0; }
     body { min-height: 100dvh; }
+    .sr-only {
+      position: absolute !important;
+      width: 1px !important;
+      height: 1px !important;
+      padding: 0 !important;
+      margin: -1px !important;
+      overflow: hidden !important;
+      clip: rect(0, 0, 0, 0) !important;
+      white-space: nowrap !important;
+      border: 0 !important;
+    }
     .play-canvas-stack {
       position: relative;
       flex: 1 1 auto;
@@ -891,6 +902,258 @@
       white-space: nowrap !important;
     }
 
+    /* —— Gauntlet crown heist (mno9kb07) — mock overlays — assets /Game/img/gauntlet-assets —— */
+    /* สูงกว่า #quiz-carry-pregame-overlay (10078) และ embed strip — กัน mock ถูกบังใน editor preview */
+    #gauntlet-crown-howto-overlay,
+    #gauntlet-crown-mission-overlay {
+      position: fixed;
+      inset: 0;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
+      box-sizing: border-box;
+      z-index: 10140;
+    }
+    #gauntlet-crown-mission-overlay { z-index: 10150; }
+    #gauntlet-crown-howto-overlay.is-hidden,
+    #gauntlet-crown-mission-overlay.is-hidden { display: none !important; }
+    .gch-backdrop,
+    .gcm-backdrop {
+      position: absolute;
+      inset: 0;
+      background: rgba(6, 8, 18, 0.78);
+      backdrop-filter: blur(5px);
+    }
+    .gch-shell,
+    .gcm-shell {
+      position: relative;
+      width: min(96vw, 920px);
+      max-height: min(92vh, 640px);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      padding: clamp(4px, 1.2vw, 10px);
+      border-radius: 14px;
+      border: 2px solid rgba(0, 255, 240, 0.75);
+      box-shadow:
+        0 0 0 1px rgba(255, 0, 200, 0.55),
+        0 0 28px rgba(0, 255, 240, 0.22),
+        0 0 40px rgba(255, 0, 200, 0.12);
+      background: rgba(6, 8, 18, 0.35);
+      pointer-events: auto;
+    }
+    .gch-bg,
+    .gcm-bg {
+      width: 100%;
+      height: auto;
+      max-height: min(88vh, 600px);
+      object-fit: contain;
+      display: block;
+      pointer-events: none;
+      filter: drop-shadow(0 0 18px rgba(0, 255, 240, 0.25)) drop-shadow(0 0 22px rgba(255, 0, 200, 0.2));
+    }
+    .gch-inner,
+    .gcm-inner {
+      position: absolute;
+      left: 50%;
+      top: 50%;
+      transform: translate(-50%, -50%);
+      width: min(88%, 780px);
+      max-height: 82%;
+      overflow: auto;
+      padding: clamp(10px, 2.2vw, 18px);
+      box-sizing: border-box;
+      color: #e2e8f0;
+      font-family: ui-sans-serif, system-ui, 'Segoe UI', 'Kanit', sans-serif;
+      background: rgba(8, 10, 22, 0.72);
+      border-radius: 12px;
+      border: 1px solid rgba(0, 255, 240, 0.35);
+      box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.35);
+    }
+    .gch-title {
+      margin: 0 0 4px;
+      font-size: clamp(1rem, 3.2vw, 1.35rem);
+      font-weight: 900;
+      letter-spacing: 0.06em;
+      color: #fff;
+      text-align: center;
+      text-shadow: 0 0 12px rgba(0, 255, 240, 0.45);
+    }
+    .gch-sub {
+      margin: 0 0 10px;
+      text-align: center;
+      font-size: clamp(0.78rem, 2.1vw, 0.95rem);
+      color: #7af8ff;
+      font-weight: 700;
+    }
+    .gch-grid {
+      display: grid;
+      grid-template-columns: repeat(3, minmax(0, 1fr));
+      gap: clamp(6px, 1.5vw, 12px);
+      margin-bottom: 10px;
+    }
+    @media (max-width: 640px) {
+      .gch-grid { grid-template-columns: 1fr; }
+    }
+    .gch-col {
+      background: rgba(10, 14, 28, 0.72);
+      border: 1px solid rgba(0, 255, 240, 0.35);
+      border-radius: 10px;
+      padding: 8px 10px;
+      font-size: clamp(0.65rem, 1.65vw, 0.78rem);
+      line-height: 1.45;
+    }
+    .gch-col h3 {
+      margin: 0 0 6px;
+      font-size: clamp(0.72rem, 1.9vw, 0.85rem);
+      color: #f6e08a;
+    }
+    .gch-col p { margin: 0 0 6px; color: #c0caf5; }
+    .gch-col .warn { color: #f6e08a; font-weight: 600; }
+    .gch-foot {
+      text-align: center;
+      font-size: clamp(0.68rem, 1.8vw, 0.8rem);
+      color: #f7768e;
+      margin: 0 0 10px;
+    }
+    .btn-gch-ready {
+      display: block;
+      margin: 0 auto;
+      width: min(240px, 70%);
+      height: clamp(44px, 12vw, 56px);
+      border: none;
+      cursor: pointer;
+      background: url('/Game/img/gauntlet-assets/btn-ready.png') center / contain no-repeat;
+      background-color: transparent;
+    }
+    .btn-gch-ready:focus-visible { outline: 2px solid #7af8ff; outline-offset: 3px; }
+    .gcm-header-tab {
+      text-align: center;
+      font-weight: 800;
+      font-size: clamp(0.85rem, 2.4vw, 1rem);
+      color: #7af8ff;
+      margin-bottom: 8px;
+      letter-spacing: 0.04em;
+    }
+    .gcm-rank-row {
+      display: flex;
+      flex-wrap: wrap;
+      justify-content: center;
+      gap: clamp(6px, 1.5vw, 10px);
+      margin-bottom: 8px;
+    }
+    .gcm-cell {
+      flex: 0 0 auto;
+      width: clamp(72px, 18vw, 100px);
+      text-align: center;
+    }
+    .gcm-rank-tag {
+      font-size: clamp(0.55rem, 1.4vw, 0.65rem);
+      font-weight: 800;
+      color: #f6e08a;
+      margin-bottom: 4px;
+    }
+    .gcm-frame {
+      position: relative;
+      width: 100%;
+      aspect-ratio: 1;
+      border-radius: 8px;
+      border: 2px solid rgba(0, 255, 240, 0.5);
+      box-shadow: 0 0 12px rgba(0, 255, 240, 0.2);
+      overflow: hidden;
+      background: rgba(8, 10, 20, 0.9);
+    }
+    .gcm-frame img.gcm-av {
+      width: 100%;
+      height: 100%;
+      object-fit: contain;
+      image-rendering: pixelated;
+    }
+    .gcm-frame img.gcm-stamp {
+      position: absolute;
+      inset: 0;
+      width: 100%;
+      height: 100%;
+      object-fit: contain;
+      pointer-events: none;
+    }
+    .gcm-nick {
+      font-size: clamp(0.52rem, 1.35vw, 0.65rem);
+      font-weight: 700;
+      color: #e2e8f0;
+      margin-top: 4px;
+      word-break: break-word;
+    }
+    .gcm-sc {
+      font-size: clamp(0.58rem, 1.5vw, 0.72rem);
+      font-weight: 800;
+      color: #f6e08a;
+      margin-top: 2px;
+    }
+    .gcm-total {
+      text-align: center;
+      font-size: clamp(0.65rem, 1.8vw, 0.8rem);
+      font-weight: 700;
+      color: #f1f5f9;
+      margin: 0 0 8px;
+    }
+    .gcm-total-nums { color: #f6e08a; }
+    .gcm-bottom {
+      display: grid;
+      grid-template-columns: 1fr 1.2fr;
+      gap: 10px;
+      align-items: start;
+      margin-bottom: 8px;
+    }
+    @media (max-width: 520px) { .gcm-bottom { grid-template-columns: 1fr; } }
+    .gcm-h {
+      font-size: clamp(0.62rem, 1.7vw, 0.75rem);
+      font-weight: 700;
+      color: #cbd5e1;
+      text-align: center;
+      margin-bottom: 4px;
+    }
+    .gcm-grade {
+      text-align: center;
+      font-size: clamp(2rem, 9vw, 3.2rem);
+      font-weight: 900;
+      line-height: 1;
+      color: #f8fafc;
+      text-shadow: 0 0 20px rgba(255, 255, 255, 0.35);
+    }
+    .gcm-grade--a { color: #9ece6a; text-shadow: 0 0 20px rgba(158, 206, 106, 0.5); }
+    .gcm-grade--b { color: #7aa2f7; }
+    .gcm-grade--c { color: #e0af68; }
+    .gcm-bonus {
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      gap: 6px;
+      font-size: clamp(0.65rem, 1.7vw, 0.78rem);
+      color: #c0caf5;
+    }
+    .gcm-plaque {
+      border: 1px solid rgba(0, 255, 240, 0.55);
+      border-radius: 10px;
+      padding: 8px 10px;
+      background: linear-gradient(165deg, rgba(14, 18, 36, 0.96), rgba(8, 10, 22, 0.98));
+      text-align: center;
+      max-width: 200px;
+    }
+    .gcm-plaque strong { color: #f1f5f9; display: block; }
+    .gcm-plaque span { color: #7af8ff; font-size: 0.92em; }
+    .btn-gcm-done {
+      display: block;
+      margin: 4px auto 0;
+      width: min(92%, 300px);
+      height: clamp(44px, 11vw, 54px);
+      border: none;
+      cursor: pointer;
+      background: url('/Game/img/gauntlet-assets/btn-done.png') center / contain no-repeat;
+      background-color: transparent;
+    }
+
     #gauntlet-ended-overlay {
       position: fixed;
       inset: 0;
@@ -1423,6 +1686,58 @@
       <button type="button" id="quiz-battle-mcq-close">ปิด · Close</button>
     </div>
   </div>
+  <div id="gauntlet-crown-howto-overlay" class="is-hidden" role="dialog" aria-modal="true" aria-labelledby="gch-title">
+    <div class="gch-backdrop" aria-hidden="true"></div>
+    <div class="gch-shell">
+      <img class="gch-bg" src="/Game/img/gauntlet-assets/popup-Howto.png" alt="" width="920" height="520" decoding="async" />
+      <div class="gch-inner">
+        <h2 id="gch-title" class="gch-title">HOW TO PLAY</h2>
+        <p class="gch-sub">วิ่งหลบสิ่งกีดขวางให้รอด! · ระงับเหตุโจรกรรม ปกป้องมงกุฎทองคำ!</p>
+        <div class="gch-grid">
+          <section class="gch-col">
+            <h3>วิ่งหลบสิ่งกีดขวาง</h3>
+            <p>หลบสิ่งกีดขวางระหว่างทาง กด <strong>JUMP</strong> (Space / W / ↑)</p>
+            <p class="warn">ห้ามวิ่งตกขอบจอ — ตกขอบจอ = ตายทันที</p>
+            <p>คะแนนเริ่มที่ <strong>100</strong> · ชนสิ่งกีดขวาง = <strong>-10</strong> คะแนน</p>
+          </section>
+          <section class="gch-col">
+            <h3>โบนัสอันดับ</h3>
+            <p>อันดับ 1 = +100 · อันดับ 2 = +80 · อันดับ 3 = +60</p>
+            <p class="warn">คะแนนเท่ากัน = อันดับเท่ากัน</p>
+          </section>
+          <section class="gch-col">
+            <h3>ระดับความสำเร็จ</h3>
+            <p>นำคะแนนสุดท้ายของทุกคน (รวมโบนัส) มาเฉลี่ย → เกรด A / B / C และสุ่มการ์ดรางวัล</p>
+            <p>A: เฉลี่ย 80–100 · B: 60–79 · C: 0–59</p>
+          </section>
+        </div>
+        <p class="gch-foot">กด READY เพื่อเริ่มภารกิจ · Press READY</p>
+        <button type="button" class="btn-gch-ready" id="btn-gch-ready" title="READY"><span class="sr-only">READY</span></button>
+      </div>
+    </div>
+  </div>
+  <div id="gauntlet-crown-mission-overlay" class="is-hidden" role="dialog" aria-modal="true" aria-labelledby="gcm-heading">
+    <div class="gcm-backdrop" aria-hidden="true"></div>
+    <div class="gcm-shell">
+      <img class="gcm-bg" src="/Game/img/gauntlet-assets/popup-result.png" alt="" width="920" height="560" decoding="async" />
+      <div class="gcm-inner">
+        <div id="gcm-heading" class="gcm-header-tab">สรุปผลภารกิจ · Mission summary</div>
+        <div id="gcm-rank-row" class="gcm-rank-row"></div>
+        <p id="gcm-total" class="gcm-total"></p>
+        <div class="gcm-bottom">
+          <div>
+            <div class="gcm-h">ระดับความสำเร็จ</div>
+            <div id="gcm-grade" class="gcm-grade" aria-live="polite">A</div>
+          </div>
+          <div>
+            <div class="gcm-h">โบนัสพิเศษ</div>
+            <div id="gcm-bonus" class="gcm-bonus"></div>
+          </div>
+        </div>
+        <button type="button" class="btn-gcm-done" id="btn-gcm-done" title="รับหลักฐาน"><span class="sr-only">รับหลักฐาน · Receive evidence</span></button>
+      </div>
+    </div>
+  </div>
   <div id="gauntlet-ended-overlay" class="is-hidden" role="dialog" aria-modal="true" aria-labelledby="gauntlet-ended-title">
     <div class="gauntlet-ended-backdrop" aria-hidden="true"></div>
     <div class="gauntlet-ended-card">
@@ -1461,8 +1776,8 @@
     </div>
   </div>
   <script src="/Game/socket.io/socket.io.js"></script>
-  <script src="js/version.js?v=0.0166"></script>
-  <script src="js/play.js?v=0.192"></script>
+  <script src="js/version.js?v=0.0170"></script>
+  <script src="js/play.js?v=0.194"></script>
   <div class="version-tag">v —</div>
 </body>
 </html>
diff --git a/www/html/Game/public/play.js b/www/html/Game/public/play.js
index 5d095c1..70ecb40 100644
--- a/www/html/Game/public/play.js
+++ b/www/html/Game/public/play.js
@@ -14,6 +14,8 @@
   const forceDefaultCharacter = params.get('defaultChar') === '1';
   const editorEmbedReturn = params.get('editorEmbed') === '1';
   const playMapIdFromQuery = (params.get('map') || '').trim();
+  /** mapId จาก join / game-start — ใช้จับฉาก crown เมื่อ URL ไม่มี ?map= */
+  let playSessionMapId = playMapIdFromQuery;
   /** สรุปภารกิจแบบ mock (popup-result ฯลฯ) — ใช้เฉพาะฉากนี้จาก editor (id ใน URL เช่น editor.html?id=mnorwqx1) */
   const quizCarryMissionSummaryMapId = 'mnorwqx1';
   const quizCarryUseMissionSummaryOverlay = playMapIdFromQuery === quizCarryMissionSummaryMapId;
@@ -99,7 +101,7 @@
   /** โหลดจาก mapData.gridImageLibrary — ดัชนีตรงกับ gridImageCells[y][x] */
   let mapGridImageImgs = [];
   let mapGridImageHeldImgs = [];
-  let me = { x: 1, y: 1, direction: 'down', nickname: nick, isWalking: false, playTint: null, gauntletScore: 0, tx: null, ty: null, quizCarryHeld: null };
+  let me = { x: 1, y: 1, direction: 'down', nickname: nick, isWalking: false, playTint: null, gauntletScore: 0, gauntletEliminated: false, tx: null, ty: null, quizCarryHeld: null };
   const others = new Map();
   /** Stack preview HUD: เทอร์มินัลล็อก (cyber UI) */
   const STACK_PREVIEW_HUD_LOG_MAX = 8;
@@ -2026,7 +2028,10 @@
       if (o.botAnswerWander == null) o.botAnswerWander = false;
       if (o.gauntletJumpTicks == null) o.gauntletJumpTicks = 0;
       if (o.gauntletJumpVis == null) o.gauntletJumpVis = o.gauntletJumpTicks;
-      if (o.gauntletScore == null) o.gauntletScore = 0;
+      if (o.gauntletScore == null) {
+        o.gauntletScore = (mapData && mapData.gameType === 'gauntlet' && isGauntletCrownHeistMapPlay()) ? 100 : 0;
+      }
+      if (o.gauntletEliminated == null) o.gauntletEliminated = false;
       if (o.botWanderDx == null || o.botWanderDy == null || (o.botWanderDx === 0 && o.botWanderDy === 0)) {
         const wd = [[0, -1], [0, 1], [-1, 0], [1, 0]][Math.floor(Math.random() * 4)];
         o.botWanderDx = wd[0];
@@ -2058,6 +2063,7 @@
       const tierRoll = Math.random();
       const botTier = tierRoll < 0.28 ? 'sharp' : tierRoll < 0.62 ? 'avg' : 'weak';
       const wd = [[0, -1], [0, 1], [-1, 0], [1, 0]][Math.floor(Math.random() * 4)];
+      const crownStart = mapData.gameType === 'gauntlet' && isGauntletCrownHeistMapPlay();
         others.set(id, {
         x, y, tx: x, ty: y,
         direction: ['down', 'up', 'left', 'right'][Math.floor(Math.random() * 4)],
@@ -2067,7 +2073,8 @@
         botTier,
         gauntletJumpTicks: 0,
         gauntletJumpVis: 0,
-        gauntletScore: 0,
+        gauntletScore: crownStart ? 100 : 0,
+        gauntletEliminated: false,
         quizCannotTrue: false,
         quizCannotFalse: false,
         quizCarryHeld: null,
@@ -2441,7 +2448,15 @@
   function isFrogger() { return mapData && mapData.gameType === 'frogger'; }
   function isGauntlet() { return mapData && mapData.gameType === 'gauntlet'; }
   function isGauntletFaceRightMapMno9kb07() {
-    return !!(isGauntlet() && playMapIdFromQuery === GAUNTLET_FACE_RIGHT_MAP_ID);
+    return !!(isGauntlet() && playSessionMapId === GAUNTLET_FACE_RIGHT_MAP_ID);
+  }
+  /** Crown heist rules + UI (เดียวกับหันขวา — ฉาก mno9kb07) */
+  function isGauntletCrownHeistMapPlay() {
+    return isGauntletFaceRightMapMno9kb07();
+  }
+  let gauntletCrownHowtoVisible = false;
+  function isGauntletCrownHowtoBlocking() {
+    return isGauntletCrownHeistMapPlay() && gauntletCrownHowtoVisible;
   }
   function isStack() { return mapData && mapData.gameType === 'stack'; }
   function isJumpSurvive() { return mapData && mapData.gameType === 'jump_survive'; }
@@ -5068,6 +5083,7 @@
    * — ตอบสนองสิ่งกีดขวางที่ชนเซลล์เดียวกัน + กระโดดล่วงหน้าเมื่อ threat อยู่คอลัมน์ถัดไป
    */
   function maybePreviewBotGauntletJump(o, obstacles, w, h) {
+    if (isGauntletCrownHeistMapPlay() && o.gauntletEliminated) return;
     let px = Math.floor(Number(o.x)) || 0;
     let py = Math.floor(Number(o.y)) || 0;
     px = Math.max(0, Math.min(w - 1, px));
@@ -5101,12 +5117,14 @@
 
   /** หนึ่ง tick เดียวกับ runGauntletTick ฝั่งเซิร์ฟเวอร์ (เฉพาะ collision + เลื่อน x) */
   function applyGauntletPhysicsToPreviewBot(o, obstacles, w, h) {
+    if (isGauntletCrownHeistMapPlay() && o.gauntletEliminated) return;
     let px = Math.floor(Number(o.x)) || 0;
     let py = Math.floor(Number(o.y)) || 0;
     px = Math.max(0, Math.min(w - 1, px));
     py = Math.max(0, Math.min(h - 1, py));
     const air = (o.gauntletJumpTicks || 0) > 0;
     const { ch: gauntletCh2 } = getCharacterFootprintWH(mapData);
+    const crown = isGauntletCrownHeistMapPlay();
     let advanceX = false;
     let hitBack = false;
     for (let i = 0; i < obstacles.length; i++) {
@@ -5129,9 +5147,21 @@
     if (advanceX) {
       px = Math.min(w - 2, px + 1);
       o.gauntletJumpTicks = 0;
-      o.gauntletScore = (o.gauntletScore || 0) + 1;
+      if (!crown) {
+        o.gauntletScore = (o.gauntletScore || 0) + 1;
+      }
     } else if (hitBack) {
-      px = Math.max(0, px - 1);
+      if (crown) {
+        if (px <= 0) {
+          o.gauntletEliminated = true;
+          o.gauntletScore = 0;
+        } else {
+          o.gauntletScore = Math.max(0, (o.gauntletScore || 0) - 10);
+          px = Math.max(0, px - 1);
+        }
+      } else {
+        px = Math.max(0, px - 1);
+      }
     }
     if ((o.gauntletJumpTicks || 0) > 0) o.gauntletJumpTicks--;
     o.tx = px;
@@ -5165,6 +5195,163 @@
     socket.emit('gauntlet-preview-rows', { ys: [...ysSet] });
   }
 
+  /** ซ่อน overlay โหมดอื่นที่ค้างจาก embed / session ก่อน — กัน UI ซ้อนไม่ตรง mock */
+  function hideConflictingOverlaysForGauntletCrown() {
+    hideQuizCarryPregameOverlay();
+    quizCarryPregameActive = false;
+    const hideIds = [
+      'quiz-game-overlay',
+      'quiz-carry-mission-overlay',
+      'gauntlet-ended-overlay',
+      'quiz-battle-mcq-overlay',
+      'quiz-carry-embed-countdown',
+      'quiz-carry-embed-q-strip',
+      'play-quiz-scoreboard',
+      'play-quiz-feedback',
+    ];
+    for (let i = 0; i < hideIds.length; i++) {
+      const el = document.getElementById(hideIds[i]);
+      if (el) el.classList.add('is-hidden');
+    }
+    const gcm = document.getElementById('gauntlet-crown-mission-overlay');
+    if (gcm) gcm.classList.add('is-hidden');
+  }
+
+  function gcmRankBadgeUrl(rank) {
+    const r = Math.floor(Number(rank)) || 99;
+    if (r === 1) return BASE + '/img/gauntlet-assets/result-1st.png';
+    if (r === 2) return BASE + '/img/gauntlet-assets/result-2nd.png';
+    if (r === 3) return BASE + '/img/gauntlet-assets/result-3rd.png';
+    return BASE + '/img/gauntlet-assets/result-txt-2.png';
+  }
+
+  function showGauntletCrownHowtoOverlay() {
+    if (!isGauntletCrownHeistMapPlay()) return;
+    hideConflictingOverlaysForGauntletCrown();
+    const ov = document.getElementById('gauntlet-crown-howto-overlay');
+    if (!ov) return;
+    gauntletCrownHowtoVisible = true;
+    ov.classList.remove('is-hidden');
+    const btn = document.getElementById('btn-gch-ready');
+    if (btn) {
+      btn.onclick = function () {
+        ov.classList.add('is-hidden');
+        gauntletCrownHowtoVisible = false;
+      };
+    }
+  }
+
+  function showGauntletCrownMissionOverlay(mission) {
+    const ov = document.getElementById('gauntlet-crown-mission-overlay');
+    const rowEl = document.getElementById('gcm-rank-row');
+    const totalEl = document.getElementById('gcm-total');
+    const gradeEl = document.getElementById('gcm-grade');
+    const bonusEl = document.getElementById('gcm-bonus');
+    const btn = document.getElementById('btn-gcm-done');
+    if (!ov || !rowEl || !mission || !Array.isArray(mission.ranked)) return;
+    rowEl.innerHTML = '';
+    mission.ranked.forEach((r) => {
+      const cell = document.createElement('div');
+      cell.className = 'gcm-cell';
+      const tag = document.createElement('div');
+      tag.className = 'gcm-rank-tag';
+      const rk = Math.floor(Number(r.rank)) || 0;
+      if (rk >= 1 && rk <= 3) {
+        const tagImg = document.createElement('img');
+        tagImg.src = gcmRankBadgeUrl(rk);
+        tagImg.alt = '[' + String(r.rankLabel || rk) + ']';
+        tagImg.style.maxWidth = '100%';
+        tagImg.style.height = 'auto';
+        tag.appendChild(tagImg);
+      } else {
+        tag.textContent = '[' + String(r.rankLabel || rk) + ']';
+      }
+      const frame = document.createElement('div');
+      frame.className = 'gcm-frame';
+      const img = document.createElement('img');
+      img.className = 'gcm-av';
+      img.alt = '';
+      const cid = r.characterId ? String(r.characterId) : '';
+      if (cid) {
+        const im = getCharacterImg(cid, 'down');
+        if (im && im.src) img.src = im.src;
+      } else {
+        img.src = defaultAvatarImg.src;
+      }
+      img.onerror = function () {
+        this.onerror = null;
+        this.src = defaultAvatarImg.src;
+      };
+      frame.appendChild(img);
+      if (r.eliminated) {
+        const st = document.createElement('img');
+        st.className = 'gcm-stamp';
+        st.src = BASE + '/img/gauntlet-assets/result-Lose_stamp.png';
+        st.alt = 'เสียชีวิต';
+        frame.appendChild(st);
+      }
+      const nick = document.createElement('div');
+      nick.className = 'gcm-nick';
+      nick.textContent = r.nickname || '—';
+      const sc = document.createElement('div');
+      sc.className = 'gcm-sc';
+      sc.textContent = String(r.baseScore || 0) + '(+' + String(r.rankBonus || 0) + ')';
+      cell.appendChild(tag);
+      cell.appendChild(frame);
+      cell.appendChild(nick);
+      cell.appendChild(sc);
+      rowEl.appendChild(cell);
+    });
+    if (totalEl) {
+      const parts = (mission.totalParts || []).map((n) => String(Math.max(0, Number(n) || 0)));
+      const sum = Math.max(0, Number(mission.totalSum) || 0);
+      const avg = Math.max(0, Math.floor(Number(mission.averageScore) || 0));
+      totalEl.innerHTML = 'คะแนนรวม <span class="gcm-total-nums">(' + parts.join('+') + ') = ' + sum + '</span> · เฉลี่ย ' + avg + ' → เกรด';
+    }
+    if (gradeEl) {
+      const g = String(mission.grade || 'C').toUpperCase().charAt(0);
+      gradeEl.textContent = g;
+      gradeEl.className = 'gcm-grade gcm-grade--' + g.toLowerCase();
+    }
+    if (bonusEl) {
+      bonusEl.innerHTML = '';
+      const row = document.createElement('div');
+      row.style.display = 'flex';
+      row.style.alignItems = 'center';
+      row.style.gap = '8px';
+      const chk = document.createElement('img');
+      chk.src = BASE + '/img/gauntlet-assets/result-check.png';
+      chk.alt = '';
+      chk.width = 26;
+      chk.height = 26;
+      const sp = document.createElement('span');
+      sp.style.color = '#9ece6a';
+      sp.style.fontWeight = '700';
+      sp.textContent = 'ภารกิจสำเร็จ';
+      row.appendChild(chk);
+      row.appendChild(sp);
+      bonusEl.appendChild(row);
+      const rc = mission.rewardCard;
+      if (rc && rc.th) {
+        const pl = document.createElement('div');
+        pl.className = 'gcm-plaque';
+        pl.innerHTML = '<strong>' + String(rc.th) + '</strong><span>' + String(rc.en || '') + '</span>';
+        bonusEl.appendChild(pl);
+      }
+    }
+    ov.classList.remove('is-hidden');
+    function goLobby() {
+      ov.classList.add('is-hidden');
+      window.location.href = 'room-lobby.html?space=' + encodeURIComponent(spaceId) + '&nick=' + encodeURIComponent(nick);
+    }
+    if (btn) {
+      btn.onclick = function () {
+        if (previewMode && editorEmbedReturn) ov.classList.add('is-hidden');
+        else goLobby();
+      };
+    }
+  }
+
   function isLobby() { return mapData && mapData.gameType === 'lobby'; }
   function isQuiz() { return mapData && mapData.gameType === 'quiz'; }
   function getLane(y) {
@@ -7351,6 +7538,9 @@
     const prevWasSpaceShooter = mapData && mapData.gameType === 'space_shooter';
     const prevWasBalloonBoss = mapData && mapData.gameType === 'balloon_boss';
     mapData = gameMapData;
+    if (res && res.mapId != null && String(res.mapId).trim() !== '') {
+      playSessionMapId = String(res.mapId).trim();
+    }
     if (res && res.hostId != null) playHostId = res.hostId;
     if (mapData.gameType !== 'space_shooter') {
       spaceShooterGameEnded = false;
@@ -7426,6 +7616,7 @@
     {
       const sc0 = Number(myPeer && myPeer.gauntletScore);
       me.gauntletScore = Number.isFinite(sc0) ? Math.max(0, sc0) : 0;
+      me.gauntletEliminated = !!(myPeer && myPeer.gauntletEliminated);
     }
     {
       const sh0 = Number(myPeer && myPeer.spaceShooterScore);
@@ -7465,6 +7656,7 @@
           gauntletJumpTicks: typeof p.gauntletJumpTicks === 'number' ? p.gauntletJumpTicks : 0,
           gauntletJumpVis: typeof p.gauntletJumpTicks === 'number' ? p.gauntletJumpTicks : 0,
           gauntletScore: (() => { const s = Number(p.gauntletScore); return Number.isFinite(s) ? Math.max(0, s) : 0; })(),
+          gauntletEliminated: !!p.gauntletEliminated,
           spaceShooterScore: (() => { const s = Number(p.spaceShooterScore); return Number.isFinite(s) ? Math.max(0, s) : 0; })(),
           balloonBossScore: (() => { const s = Number(p.balloonBossScore); return Number.isFinite(s) ? Math.max(0, s) : 0; })(),
           balloonBossBalloons: (() => {
@@ -7558,6 +7750,16 @@
     else if (isQuizCarry()) setupPlayQuizCarryUi();
     else if (isQuizBattle()) setupPlayQuizBattleUi();
     else teardownPlayQuizUi();
+    if (mapData.gameType === 'gauntlet' && isGauntletCrownHeistMapPlay()) {
+      hideConflictingOverlaysForGauntletCrown();
+      setTimeout(function () { showGauntletCrownHowtoOverlay(); }, 50);
+    } else {
+      const hov = document.getElementById('gauntlet-crown-howto-overlay');
+      if (hov) {
+        hov.classList.add('is-hidden');
+        gauntletCrownHowtoVisible = false;
+      }
+    }
     resizeCanvas(); draw(); tick();
   }
 
@@ -7862,8 +8064,10 @@
         if (p.direction) me.direction = p.direction;
         const jt = Number(p.gauntletJumpTicks);
         meGauntletJumpTicks = Number.isFinite(jt) ? jt : 0;
+        meGauntletJumpVis = meGauntletJumpTicks;
         const sc = Number(p.gauntletScore);
         me.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+        me.gauntletEliminated = !!p.gauntletEliminated;
       } else {
         const o = others.get(p.id) ?? others.get(pid);
         if (o) {
@@ -7877,6 +8081,7 @@
           if (o.gauntletJumpVis == null) o.gauntletJumpVis = o.gauntletJumpTicks;
           const sc = Number(p.gauntletScore);
           o.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+          o.gauntletEliminated = !!p.gauntletEliminated;
         }
       }
     });
@@ -7887,13 +8092,20 @@
   });
 
   socket.on('gauntlet-ended', (data) => {
+    gauntletEndsAtMs = null;
+    const hto = document.getElementById('gauntlet-crown-howto-overlay');
+    if (hto) hto.classList.add('is-hidden');
+    gauntletCrownHowtoVisible = false;
+    if (data && data.crownMission) {
+      showGauntletCrownMissionOverlay(data.crownMission);
+      return;
+    }
     const ov = document.getElementById('gauntlet-ended-overlay');
     const msgEl = document.getElementById('gauntlet-ended-message');
     const titleEl = document.getElementById('gauntlet-ended-title');
     const listEl = document.getElementById('gauntlet-ended-rankings');
     const btn = document.getElementById('btn-gauntlet-ended-lobby');
     if (!ov || !msgEl || !listEl) return;
-    gauntletEndsAtMs = null;
     if (titleEl) {
       titleEl.textContent = data && data.reason === 'time' ? 'หมดเวลา · Time up' : 'เกมจบ · Game over';
     }
@@ -7923,6 +8135,9 @@
     if (!ev || !ev.mapId) return;
     const applySnap = (md) => {
       mapData = md;
+      if (ev.mapId != null && String(ev.mapId).trim() !== '') {
+        playSessionMapId = String(ev.mapId).trim();
+      }
       if (mapData.gameType !== 'space_shooter') {
         spaceShooterGameEnded = false;
       }
@@ -7955,6 +8170,7 @@
             meGauntletJumpVis = meGauntletJumpTicks;
             const sc = Number(p.gauntletScore);
             me.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+            me.gauntletEliminated = !!p.gauntletEliminated;
           } else {
             const o = others.get(p.id) ?? others.get(String(p.id));
             if (o) {
@@ -7968,6 +8184,7 @@
               o.gauntletJumpVis = o.gauntletJumpTicks;
               const sc = Number(p.gauntletScore);
               o.gauntletScore = Number.isFinite(sc) ? Math.max(0, sc) : 0;
+              o.gauntletEliminated = !!p.gauntletEliminated;
             }
           }
         });
@@ -7975,10 +8192,12 @@
         meGauntletJumpTicks = 0;
         meGauntletJumpVis = 0;
         me.gauntletScore = 0;
+        me.gauntletEliminated = false;
         others.forEach((o) => {
           o.gauntletJumpTicks = 0;
           o.gauntletJumpVis = 0;
           o.gauntletScore = 0;
+          o.gauntletEliminated = false;
         });
       }
       if (mapData.gameType === 'gauntlet') {
@@ -7995,8 +8214,18 @@
             if (stackMini && isStack()) stackMini.phaseSpeed = playStackSwingHz;
           })
           .catch(() => {});
+        if (String(ev.mapId || '') === GAUNTLET_FACE_RIGHT_MAP_ID) {
+          setTimeout(function () { showGauntletCrownHowtoOverlay(); }, 60);
+        } else {
+          const hto2 = document.getElementById('gauntlet-crown-howto-overlay');
+          if (hto2) hto2.classList.add('is-hidden');
+          gauntletCrownHowtoVisible = false;
+        }
       } else {
         gauntletEndsAtMs = null;
+        const hto3 = document.getElementById('gauntlet-crown-howto-overlay');
+        if (hto3) hto3.classList.add('is-hidden');
+        gauntletCrownHowtoVisible = false;
       }
       if (mapData.gameType !== 'gauntlet') {
         me.tx = null;
@@ -8004,6 +8233,8 @@
       }
       const gauntletOv = document.getElementById('gauntlet-ended-overlay');
       if (gauntletOv) gauntletOv.classList.add('is-hidden');
+      const gcmOv = document.getElementById('gauntlet-crown-mission-overlay');
+      if (gcmOv) gcmOv.classList.add('is-hidden');
       if (mapData.gameType === 'stack') {
         if (!mapData.stackReleaseArea) mapData.stackReleaseArea = [];
         if (!mapData.stackLandArea) mapData.stackLandArea = [];
@@ -9192,6 +9423,8 @@
             : (me.balloonBossEliminated
             ? 'คุณตกรอบแล้ว — ดูเพื่อนเล่น · You are out — spectate'
             : 'ยานมีแรงเฉื่อย — A D / arrows / W S เร่งทิศทาง · ปล่อยปุ่มแล้วยังไหล (แรงหน่วง) · Space = ยิง (ดีเลย์) · ลูกโป้งหมด = ตกรอบ');
+      } else if (isGauntletCrownHeistMapPlay()) {
+        hintEl.textContent = 'Space / W / ↑ jump · Start 100 pts · Hit -10 · Fall off left edge = out · Rank bonus at end';
       } else {
         hintEl.textContent = 'Space / W / ↑ jump · Lanes + lasers · Clear = right + score';
       }
@@ -9221,7 +9454,8 @@
           : (isSpaceShooter() ? (me.spaceShooterScore || 0)
             : (isBalloonBoss() ? (me.balloonBossScore || 0) : 0))),
       y: safeYv(me.y),
-      eliminated: !!(isJumpSurvive() && jumpSurviveEliminated) || !!(isBalloonBoss() && me.balloonBossEliminated),
+      eliminated: !!(isJumpSurvive() && jumpSurviveEliminated) || !!(isBalloonBoss() && me.balloonBossEliminated)
+        || !!(isGauntletCrownHeistMapPlay() && me.gauntletEliminated),
       isMe: true,
     });
     others.forEach((o, id) => {
@@ -9235,7 +9469,8 @@
               : (isBalloonBoss() ? (o.balloonBossScore || 0) : 0))),
         y: safeYv(o.y),
         eliminated: !!(isJumpSurvive() && isPreviewBotId(id) && o.jumpSurviveEliminated)
-          || !!(isBalloonBoss() && o.balloonBossEliminated),
+          || !!(isBalloonBoss() && o.balloonBossEliminated)
+          || !!(isGauntletCrownHeistMapPlay() && o.gauntletEliminated),
         isMe: false,
       });
     });
@@ -9296,7 +9531,7 @@
       st.textContent = isQuizCarry()
         ? ''
         : (row.eliminated
-          ? (isBalloonBoss() ? 'OUT' : 'OFFLINE')
+          ? (isBalloonBoss() ? 'OUT' : (isGauntletCrownHeistMapPlay() ? 'เสียชีวิต' : 'OFFLINE'))
           : (isBalloonBoss()
             ? ('♥' + Math.max(0, row.isMe ? (me.balloonBossBalloons | 0) : ((() => {
               const ox = others.get(row.id);
@@ -9987,10 +10222,17 @@
       ctx.fillStyle = '#f7768e';
       ctx.font = 'bold 14px sans-serif';
       ctx.textAlign = 'left';
-      ctx.fillText('พรมแดงสุดท้าย | คะแนน: ' + (me.gauntletScore || 0) + ' (ข้าม 1 ชิ้น +1) · สูงสุด 6 คน', 10, 24);
-      ctx.font = '12px sans-serif';
-      ctx.fillStyle = '#c0caf5';
-      ctx.fillText('Space / W / ↑ = กระโดด · เลน + เลเซอร์ · ข้ามสำเร็จ → ขวา 1 + คะแนน · ชน → ซ้าย 1', 10, 42);
+      if (isGauntletCrownHeistMapPlay()) {
+        ctx.fillText('พรมแดงสุดท้าย | คะแนน ' + (me.gauntletScore || 0) + ' · ชน -10 · ขอบซ้ายตาย · สูงสุด 6 คน', 10, 24);
+        ctx.font = '12px sans-serif';
+        ctx.fillStyle = '#c0caf5';
+        ctx.fillText('Space / W / ↑ = กระโดด · เลน + เลเซอร์ · จบเกมมีโบนัสอันดับ + เกรดทีม', 10, 42);
+      } else {
+        ctx.fillText('พรมแดงสุดท้าย | คะแนน: ' + (me.gauntletScore || 0) + ' (ข้าม 1 ชิ้น +1) · สูงสุด 6 คน', 10, 24);
+        ctx.font = '12px sans-serif';
+        ctx.fillStyle = '#c0caf5';
+        ctx.fillText('Space / W / ↑ = กระโดด · เลน + เลเซอร์ · ข้ามสำเร็จ → ขวา 1 + คะแนน · ชน → ซ้าย 1', 10, 42);
+      }
       ctx.fillStyle = '#e0af68';
       if (gauntletEndsAtMs != null && Number.isFinite(gauntletEndsAtMs)) {
         const rem = Math.max(0, Math.ceil((gauntletEndsAtMs - Date.now()) / 1000));
@@ -10082,6 +10324,8 @@
     if (isGauntlet() && mapData && !isChatFocused()) {
       if (e.code === 'Space' || e.code === 'ArrowUp' || e.code === 'KeyW') {
         e.preventDefault();
+        if (isGauntletCrownHowtoBlocking()) return;
+        if (isGauntletCrownHeistMapPlay() && me.gauntletEliminated) return;
         const now = Date.now();
         if (now - lastGauntletJumpKey < 200) return;
         lastGauntletJumpKey = now;
diff --git a/www/html/Game/server.js b/www/html/Game/server.js
index 3a61e6c..db685dc 100644
--- a/www/html/Game/server.js
+++ b/www/html/Game/server.js
@@ -2455,6 +2455,87 @@ const GAUNTLET_MAX_PLAYERS = 6;
 const GAUNTLET_LASER_SPAWN_CHANCE = 0.14;
 /** เฉพาะแถวที่มีผู้เล่น — แถวละโอกาสเกิด lane obstacle */
 const GAUNTLET_LANE_ROW_SPAWN_CHANCE = 0.34;
+/** Last Light / museum gauntlet — scoring, mission UI, how-to flow */
+const GAUNTLET_CROWN_HEIST_MAP_ID = 'mno9kb07';
+
+function isGauntletCrownHeistMapBySpace(space) {
+  return !!(space && space.mapId && String(space.mapId) === GAUNTLET_CROWN_HEIST_MAP_ID);
+}
+
+function rollGauntletCrownRewardCard(grade) {
+  const r = Math.random();
+  if (grade === 'A') {
+    if (r < 0.3) return { kind: 'culprit', th: 'การ์ดชี้คนร้าย', en: 'Culprit card' };
+    if (r < 0.8) return { kind: 'rare', th: 'การ์ด Rare', en: 'Rare card' };
+    return { kind: 'common', th: 'การ์ดธรรมดา', en: 'Common card' };
+  }
+  if (grade === 'B') {
+    if (r < 0.2) return { kind: 'culprit', th: 'การ์ดชี้คนร้าย', en: 'Culprit card' };
+    if (r < 0.5) return { kind: 'rare', th: 'การ์ด Rare', en: 'Rare card' };
+    return { kind: 'common', th: 'การ์ดธรรมดา', en: 'Common card' };
+  }
+  if (r < 0.2) return { kind: 'rare', th: 'การ์ด Rare', en: 'Rare card' };
+  return { kind: 'common', th: 'การ์ดธรรมดา', en: 'Common card' };
+}
+
+function gauntletCrownRankBonus(rankOrdinal) {
+  if (rankOrdinal === 1) return 100;
+  if (rankOrdinal === 2) return 80;
+  if (rankOrdinal === 3) return 60;
+  return 0;
+}
+
+function buildGauntletCrownMissionPayload(space) {
+  const peersArr = [...space.peers.values()];
+  const rows = peersArr.map((p) => ({
+    id: p.id,
+    nickname: (p.nickname || '').trim() || 'ผู้เล่น',
+    characterId: p.characterId ?? null,
+    baseScore: p.gauntletEliminated ? 0 : Math.max(0, p.gauntletScore | 0),
+    eliminated: !!p.gauntletEliminated,
+  }));
+  rows.sort((a, b) => {
+    if (b.baseScore !== a.baseScore) return b.baseScore - a.baseScore;
+    return String(a.nickname).localeCompare(String(b.nickname), 'th');
+  });
+  let lastScore = null;
+  let rankOrdinal = 0;
+  const ranked = [];
+  for (let i = 0; i < rows.length; i++) {
+    const pos = i + 1;
+    if (lastScore !== rows[i].baseScore) {
+      rankOrdinal = pos;
+      lastScore = rows[i].baseScore;
+    }
+    const bonus = gauntletCrownRankBonus(rankOrdinal);
+    const finalScore = rows[i].baseScore + bonus;
+    const rankLabel = rankOrdinal === 1 ? '1st' : rankOrdinal === 2 ? '2nd' : rankOrdinal === 3 ? '3rd' : String(rankOrdinal);
+    ranked.push({
+      id: rows[i].id,
+      nickname: rows[i].nickname,
+      characterId: rows[i].characterId,
+      baseScore: rows[i].baseScore,
+      eliminated: rows[i].eliminated,
+      rank: rankOrdinal,
+      rankLabel,
+      rankBonus: bonus,
+      finalScore,
+    });
+  }
+  const totalSum = ranked.reduce((s, r) => s + r.finalScore, 0);
+  const n = ranked.length || 1;
+  const averageScore = Math.floor(totalSum / n);
+  const grade = averageScore >= 80 ? 'A' : averageScore >= 60 ? 'B' : 'C';
+  const rewardCard = rollGauntletCrownRewardCard(grade);
+  return {
+    ranked,
+    totalSum,
+    averageScore,
+    grade,
+    rewardCard,
+    totalParts: ranked.map((r) => r.finalScore),
+  };
+}
 
 function gauntletSpawnYs(md, playerCount) {
   const h = md.height || 15;
@@ -2569,13 +2650,15 @@ function startGauntletTicker(sid, space) {
 function initGauntletPeersAll(space, md) {
   const list = [...space.peers.values()];
   const pos = gauntletSpawnPositions(md, list.length);
+  const crown = isGauntletCrownHeistMapBySpace(space);
   list.forEach((p, i) => {
     const pt = pos[i] || pos[pos.length - 1];
     p.x = pt.x;
     p.y = pt.y;
     p.gauntletJumpTicks = 0;
-    p.gauntletScore = 0;
+    p.gauntletScore = crown ? 100 : 0;
     p.gauntletJumpPending = false;
+    p.gauntletEliminated = false;
   });
   space.gauntletRun = { obstacles: [], nextObsId: 1, spawnAcc: 0, nextSpawnIn: 3 };
   space.gauntletPreviewRowsBySocket = new Map();
@@ -2593,11 +2676,19 @@ function endGauntletGame(sid, space, reason) {
   const md = (space.mapId && maps.get(space.mapId)) || space.mapData;
   if (!md || md.gameType !== 'gauntlet') return;
   stopGauntletTicker(space);
-  const rankings = [...space.peers.values()].map((p) => ({
-    id: p.id,
-    nickname: (p.nickname || '').trim() || 'ผู้เล่น',
-    score: Math.max(0, p.gauntletScore | 0),
-  })).sort((a, b) => b.score - a.score);
+  const wasCrown = isGauntletCrownHeistMapBySpace(space);
+  const crownMission = wasCrown ? buildGauntletCrownMissionPayload(space) : null;
+  const rankings = crownMission
+    ? crownMission.ranked.map((r) => ({
+      id: r.id,
+      nickname: r.nickname,
+      score: r.finalScore,
+    }))
+    : [...space.peers.values()].map((p) => ({
+      id: p.id,
+      nickname: (p.nickname || '').trim() || 'ผู้เล่น',
+      score: Math.max(0, p.gauntletScore | 0),
+    })).sort((a, b) => b.score - a.score);
 
   let retId = space.gauntletReturnMapId;
   let retMap = retId && maps.has(retId) ? maps.get(retId) : null;
@@ -2619,6 +2710,7 @@ function endGauntletGame(sid, space, reason) {
       p.gauntletJumpTicks = 0;
       p.gauntletScore = 0;
       p.gauntletJumpPending = false;
+      p.gauntletEliminated = false;
     });
   } else {
     console.warn('endGauntletGame: no lobby map to return to', sid);
@@ -2631,6 +2723,7 @@ function endGauntletGame(sid, space, reason) {
     reason: reason || 'time',
     message: msg,
     rankings,
+    crownMission: crownMission || undefined,
   });
 }
 
@@ -2733,8 +2826,12 @@ function runGauntletTick(sid, space) {
   }
 
   /* กระโดดข้ามสำเร็จ → เลื่อนผู้เล่นไปขวา แต่ไม่ลบ obstacle (ยังไหลต่อให้คนอื่น/รอบถัดไป) */
+  const crownHeist = isGauntletCrownHeistMapBySpace(space);
   const { ch: gauntletCh } = getCharacterFootprintWHForMove(md);
   space.peers.forEach((p) => {
+    if (crownHeist && p.gauntletEliminated) {
+      return;
+    }
     let px = Math.floor(Number(p.x)) || 0;
     let py = Math.floor(Number(p.y)) || 0;
     px = Math.max(0, Math.min(w - 1, px));
@@ -2764,9 +2861,21 @@ function runGauntletTick(sid, space) {
     if (advanceX) {
       px = Math.min(w - 2, px + 1);
       p.gauntletJumpTicks = 0;
-      p.gauntletScore = (p.gauntletScore || 0) + 1;
+      if (!crownHeist) {
+        p.gauntletScore = (p.gauntletScore || 0) + 1;
+      }
     } else if (hitBack) {
-      px = Math.max(0, px - 1);
+      if (crownHeist) {
+        if (px <= 0) {
+          p.gauntletEliminated = true;
+          p.gauntletScore = 0;
+        } else {
+          p.gauntletScore = Math.max(0, (p.gauntletScore || 0) - 10);
+          px = Math.max(0, px - 1);
+        }
+      } else {
+        px = Math.max(0, px - 1);
+      }
     }
     if ((p.gauntletJumpTicks || 0) > 0) p.gauntletJumpTicks--;
     p.x = px;
@@ -2789,6 +2898,7 @@ function runGauntletTick(sid, space) {
     characterId: p.characterId ?? null,
     gauntletJumpTicks: p.gauntletJumpTicks || 0,
     gauntletScore: p.gauntletScore || 0,
+    gauntletEliminated: !!p.gauntletEliminated,
   }));
   io.to(sid).emit('gauntlet-sync', {
     obstacles: obsOut,
@@ -3055,7 +3165,7 @@ io.on('connection', (socket) => {
     const bbStartBalloons = Math.max(1, Math.min(12, Math.floor(Number(mdJoin.balloonBossBalloonsPerPlayer)) || 5));
     const peer = {
       id: socket.id, x: +spawnPt.x, y: +spawnPt.y, direction: 'down', nickname: nickname || 'ผู้เล่น', ready: false, characterId: characterId || null, voiceMicOn: true,
-      gauntletJumpTicks: 0, gauntletScore: 0, gauntletJumpPending: false, spaceShooterScore: 0,
+      gauntletJumpTicks: 0, gauntletScore: 0, gauntletJumpPending: false, gauntletEliminated: false, spaceShooterScore: 0,
       balloonBossScore: 0, balloonBossBalloons: mdJoin.gameType === 'balloon_boss' ? bbStartBalloons : 5, balloonBossEliminated: false,
     };
     if (mdJoin.gameType === 'quiz_battle' && quizBattlePathModeActiveServer(mdJoin)) {
@@ -3076,6 +3186,10 @@ io.on('connection', (socket) => {
       peer.x = pt.x;
       peer.y = pt.y;
       peer.gauntletJumpTicks = 0;
+      if (isGauntletCrownHeistMapBySpace(space)) {
+        peer.gauntletScore = 100;
+        peer.gauntletEliminated = false;
+      }
       startGauntletTicker(spaceId, space);
     }
     const peersList = [...space.peers.values()];
@@ -3375,6 +3489,7 @@ io.on('connection', (socket) => {
               characterId: p.characterId ?? null,
               gauntletJumpTicks: p.gauntletJumpTicks || 0,
               gauntletScore: p.gauntletScore || 0,
+              gauntletEliminated: !!p.gauntletEliminated,
             }));
           }
         }
@@ -3437,6 +3552,7 @@ io.on('connection', (socket) => {
     const p = space.peers.get(socket.id);
     const md = (space.mapId && maps.get(space.mapId)) || space.mapData;
     if (!md || md.gameType !== 'gauntlet') return;
+    if (isGauntletCrownHeistMapBySpace(space) && p.gauntletEliminated) return;
     if ((p.gauntletJumpTicks || 0) > 0) return;
     p.gauntletJumpPending = true;
   });