Kingdom developers often release codes that you can use to claim free rewards such as Crystals, Jellies, EXP, Cubes, items, ...

Here are the latest Gather Speed codes for December, 2025, featuring coin rewards to help you stay fast through tracks.

Codes for Universal Tower Defense provide you with stacks of Gems to spend and many Rerolls to improve your RNG outcome ...

All active Universal Tower Defense codes for Gems and Trait Rerolls.