How to use redeem codes?

Redeem codes are an important way to get free cash and rewards. The steps to redeem are as follows:

1. Launch the game and enter your base.
2. Click the "Shop" icon on the left side of the screen.
3. In the shop menu, scroll all the way to the bottom.
4. You will see an input box labeled "Codes."
5. Accurately enter a valid redeem code (case-sensitive), then click "Claim".