Here is the list of all new Universal Tower Defense codes that give you free rerolls, gems, and other valuable resources.

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

Why Isn't My Tower Defense Simulator Code Working? When a code for Tower Defense Simulator isn't working, it's usually for one of two reasons. Either the code has expired, or it's been mistyped. To ...

Looking for free Gems or Trait Rerolls to strengthen your team in Universal Tower Defense? Redeem these codes!

Check out the ultimate Universal Tower Defense tier list here and learn which characters you should pull from the best ranked ...

Here is a list of all the available codes for Universal Tower Defense in December 2025: Redeeming codes in Universal Tower ...

A guide containing all of the latest Universal Tower Defense codes and information on how you can redeem them.

Universal Tower Defense codes will provide you with an exceedingly generous boost, as you summon units to fight off waves of ...