Step 1: Access to: "https://event.vng.games/cloudsongph/code" and login to your account.

Step 2: Fill up code, game information, and captcha code.

Step 3: Click "Get Reward" button to finish redeemption.

Step 4: Login to the game and check out the reward in the mail in-game.

NOTE: Each code can be used only once per account.