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

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

This guide lists all the Universal Tower Defense codes you can use to earn free Gems and Trait Rerolls, as well as how to ...

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