diff --git a/www/html/Game/public/js/play.js b/www/html/Game/public/js/play.js
index 85a47a8..81f7b18 100644
--- a/www/html/Game/public/js/play.js
+++ b/www/html/Game/public/js/play.js
@@ -34,6 +34,7 @@
   }
   let nick = (params.get('nick') || '').trim() || readStoredDisplayName() || 'ผู้เล่น';
   const previewMode = params.get('preview') === '1';
+  const specialQuizForceDebug = params.get('sqForce') === '1';
   const forceDefaultCharacter = params.get('defaultChar') === '1';
   const editorEmbedReturn = params.get('editorEmbed') === '1';
   if (previewMode && editorEmbedReturn) {
@@ -15540,6 +15541,9 @@
           return;
         }
         myId = socket.id;
+        if (specialQuizForceDebug) {
+          try { socket.emit('special-quiz-force', { on: true }); } catch (eF) { /* ignore */ }
+        }
         let botSlots = parseInt(res.botSlotCount, 10);
         if ((!botSlots || botSlots < 1) && res.maxPlayers > 0 && res.maxPlayers < 6) {
           botSlots = 6 - res.maxPlayers;
diff --git a/www/html/Game/public/play.html b/www/html/Game/public/play.html
index 939d6c6..460d332 100644
--- a/www/html/Game/public/play.html
+++ b/www/html/Game/public/play.html
@@ -3939,7 +3939,7 @@
   <script src="/app-base.js?v=2"></script>
   <script src="/Game/socket.io/socket.io.js"></script>
     <script src="js/version.js?v=0.0306"></script>
-    <script src="js/play.js?v=0.0503"></script>
+    <script src="js/play.js?v=0.0504"></script>
   <div class="version-tag">v —</div>
 </body>
 </html>
diff --git a/www/html/Game/server.js b/www/html/Game/server.js
index d99804e..ca6c70d 100644
--- a/www/html/Game/server.js
+++ b/www/html/Game/server.js
@@ -521,8 +521,10 @@ function maybeSpawnSpecialQuizForRun(space) {
   const card = set && set.specialCard;
   const hasCard = !!(card && (card.cardId || card.imageUrl));
   if (!questions.length || !hasCard) { console.log('[special-quiz] skip:no-questions-or-card', mapId, 'L' + level + '_C' + caseId, 'q=' + questions.length, 'card=' + hasCard); return; }
+  const forced = !!space.forceSpecialQuiz;
   const roll = Math.random();
-  if (roll > SPECIAL_QUIZ_SPAWN_CHANCE) { console.log('[special-quiz] skip:roll', mapId, roll.toFixed(3), '>', SPECIAL_QUIZ_SPAWN_CHANCE.toFixed(3)); return; }
+  if (!forced && roll > SPECIAL_QUIZ_SPAWN_CHANCE) { console.log('[special-quiz] skip:roll', mapId, roll.toFixed(3), '>', SPECIAL_QUIZ_SPAWN_CHANCE.toFixed(3)); return; }
+  if (forced) console.log('[special-quiz] FORCE-spawn (debug)', mapId);
   const md = (space.mapId && maps.get(space.mapId)) || space.mapData;
   if (!md) { console.log('[special-quiz] skip:no-map', mapId); return; }
   const tile = pickSpecialQuizSpawnTile(md);
@@ -5324,6 +5326,15 @@ io.on('connection', (socket) => {
   });
 
   /** ผู้เล่นเดินชนไอคอนคำถามพิเศษ — ใครชนก่อนเป็นคนเปิดเซสชันให้ทั้งห้อง */
+  /** debug: บังคับ spawn ไอคอนทุกรอบในเซสชันนี้ (เปิดด้วย ?sqForce=1) */
+  socket.on('special-quiz-force', (data) => {
+    const sid = socket.data.spaceId;
+    const space = sid ? spaces.get(sid) : null;
+    if (!space || !space.peers.has(socket.id)) return;
+    space.forceSpecialQuiz = !!(data && data.on);
+    console.log('[special-quiz] force flag =', space.forceSpecialQuiz, 'by', socket.id);
+  });
+
   socket.on('special-quiz-collide', (_data, cb) => {
     const reply = typeof cb === 'function' ? cb : () => {};
     const sid = socket.data.spaceId;