Tower Defense Simulator Codes (August 2026)

Tower Defense Simulator is the Roblox game where you and your friends line up towers to hold off waves of enemies, and the developers hand out codes every so often that unlock crates, skins, and other cosmetic rewards without costing you a dime.

Working Tower Defense Simulator Codes

Here’s every code that’s still redeemable right now, so grab these before Paradoxum Games swaps them out for something new.

Note: Skin codes only work if you already own the tower that skin is tied to, so redeem them after you’ve unlocked the matching tower rather than before.

How to redeem codes in Tower Defense Simulator

You’ll need to be inside the game’s lobby before any code will register, so don’t try this from the Roblox home screen.

Expired Tower Defense Simulator codes

These codes have already run their course and won’t give you anything if you try them.

How to get more Tower Defense Simulator codes

Paradoxum Games typically drops new codes around milestones like player count celebrations, holidays, and game anniversaries, so don’t expect a fixed schedule. Your best bet is to join the official Tower Defense Simulator Discord server, where the team posts announcements as soon as new codes go live. The Paradoxum Games Roblox group is another place worth following for the same kind of updates.

Why didn’t my code work?

Codes are case-sensitive, so even a single letter typed in the wrong case will stop a valid code from registering. If you’re certain you typed it correctly and it’s still failing, the code has most likely expired.

Are these codes free to use?

Yes. Every code listed here is redeemed at no cost and simply grants crates or skins directly to your account through the in-game Codes menu.

Check back on the game’s Codes window every so often, since that’s the fastest way to confirm what’s currently active without relying on anything outside the game itself. You can also jump into the Tower Defense Simulator experience directly to start redeeming as soon as you spot a new code.