The in-game coupon code can be entered in the [Account] section of the Settings menu.
See the following to learn how to enter the in-game coupon code.
■ How to Enter the In-Game Coupon Code (Android)
- Tap Gear Icon on Top Right of the Main Screen > Tap Link Account > Tap Coupon Code
■ How to Enter the In-Game Coupon Code (iOS)
1. Log in to the Homerun Clash: Legends Derby coupon code website.
2. Enter your account number and coupon code at the page you have been moved to.