You can redeem your codes in-game or via the DevPlay Coupon website. If you are using the in-game option, head over to the right-hand corner menu when not engaged in battle and select the "Coupons" ...

Cookie Run: Kingdom developers often release codes that you can use to claim free rewards such as Crystals, Jellies, EXP, Cubes, items, and more. These codes are usually handed out during special ...