diff --git a/.gitignore b/.gitignore
index 2309cc8..ba808b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -136,3 +136,4 @@ dist
 .yarn/install-state.gz
 .pnp.*
 
+.vscode/
\ No newline at end of file
diff --git a/controllers/gameController.js b/controllers/gameController.js
index 07ce948..103e3a3 100644
--- a/controllers/gameController.js
+++ b/controllers/gameController.js
@@ -320,6 +320,79 @@ class GameController {
     }
   }
 
+  /**
+   * Create or Update game with URL check
+   * Nếu body có id: update game đó
+   * Nếu body không có id: kiểm tra URL có tồn tại trong DB không, chưa có thì lưu mới
+   */
+  async createGameWithUrlCheck(req, res, next) {
+    try {
+      const {
+        id,
+        title,
+        description,
+        url,
+        thumbnail,
+        type,
+        config,
+        is_active,
+        is_premium,
+        min_grade,
+        max_grade,
+        difficulty_level,
+        display_order,
+        rating,
+      } = req.body;
+
+      // Validate required fields
+      if (!title || !url || !type) {
+        return res.status(400).json({
+          success: false,
+          message: 'title, url, and type are required',
+        });
+      }
+
+      // Check if URL already exists in DB
+      const existingGame = await Game.findOne({ where: { url } });
+      if (existingGame) {
+        return res.status(200).json({
+          success: true,
+          data: null,
+          message: 'URL đã tồn tại, game không được lưu',
+        });
+      }
+
+      // Create new game (with id if provided, or auto-generate)
+      const game = await Game.create({
+        ...(id && { id }),
+        title,
+        description,
+        url,
+        thumbnail,
+        type,
+        config: config || {},
+        is_active: is_active !== undefined ? is_active : true,
+        is_premium: is_premium !== undefined ? is_premium : false,
+        min_grade,
+        max_grade,
+        difficulty_level,
+        display_order: display_order || 0,
+        play_count: 0,
+      });
+
+      // Clear cache
+      await cacheUtils.deletePattern('games:*');
+
+      res.status(201).json({
+        success: true,
+        data: game,
+        message: 'Game created successfully',
+      });
+    } catch (error) {
+      next(error);
+    }
+  }
+
   /**
    * Get game statistics
    */
diff --git a/routes/gameRoutes.js b/routes/gameRoutes.js
index ceba2fe..312f16d 100644
--- a/routes/gameRoutes.js
+++ b/routes/gameRoutes.js
@@ -22,6 +22,9 @@ router.get('/:id', gameController.getGameById);
 // Create new game
 router.post('/', gameController.createGame);
 
+// Create new game with URL validation (check if URL exists before saving)
+router.post('/save-with-check', gameController.createGameWithUrlCheck);
+
 // Update game
 router.put('/:id', gameController.updateGame);