Visit the official website: https://wavegame.net/ Log in to your account or register first Select the Shop menu Click the Top Up Coin menu, then select the game you want to top up Enter your voucher code in the field provided Click confirm, and the balance will automatically be added to your account. Important Notes: Wave Game vouchers can only be used for games published by Wave Game Voucher codes are unique and can only be used once Ensure the voucher code is entered correctly. The seller is not responsible for input errors Used vouchers cannot be returned or refunded Keep the voucher code safe. Any loss is the responsibility of the buyer The voucher validity period is subject to the terms and conditions stated in the Wave Game system By making a purchase, the buyer is deemed to have understood and agreed to all applicable terms and conditions