1) Sign up for an OffGamers’ account or log in to your account if you are an existing user.

2) Search for ‘gametower’ in the search box. Click on gametower on the search result.

3) On the gametower page, click "Direct Top Up" to purchase.

4) Fill in your gametower passage code and the quantity. Check and ensure that your product quantity and the denomination are correct before you click "Proceed to Checkout".

5) There's a wide range of payment options to select. You may change the currency settings to view all available payment methods for your region.

Click "Secure Checkout" to complete the process.

6) The order number will be visible upon a successful checkout. You may track the status of your order from your OffGamers order history page. Click "View Order" to view your serial numbers.