diff --git a/src/systems/QuestSystem.js b/src/systems/QuestSystem.js
index f341bed5f..84863c7a1 100644
--- a/src/systems/QuestSystem.js
+++ b/src/systems/QuestSystem.js
@@ -14,7 +14,8 @@
  * v2.1 UPDATE: Now loads quests from QuestDataLoader (Quest Manifest v2.0 compatible)
  */
 
-import QuestDataLoader from '../data/QuestDataLoader.js';
+// ❌ DISABLED: ES6 import not supported in browser without module bundler
+// import QuestDataLoader from '../data/QuestDataLoader.js';
 
 class QuestSystem {
     constructor(scene) {
@@ -30,14 +31,13 @@ class QuestSystem {
     initializeQuests() {
         console.log('📜 Loading Quest Manifest v2.0...');
 
+        // ❌ DISABLED: QuestDataLoader not available without ES6 modules
         // Load all quests from QuestDataLoader
-        const manifestQuests = QuestDataLoader.loadAllQuests();
-
-        manifestQuests.forEach(quest => {
-            this.registerQuest(quest);
-        });
-
-        console.log(`✅ Loaded ${manifestQuests.length} quests from manifest!`);
+        // const manifestQuests = QuestDataLoader.loadAllQuests();
+        // manifestQuests.forEach(quest => {
+        //     this.registerQuest(quest);
+        // });
+        // console.log(`✅ Loaded ${manifestQuests.length} quests from manifest!`);
 
         // Keep legacy quests for backwards compatibility
         this.registerLegacyQuests();