In the Roblox universe of All Star Tower Defense (ASTD), there are four secret characters. They can only be earned via "Spins" or "Hero Redeems" in the game. Each spin offers players a 0.

Here are all the most up-to-date -working codes for the All Star Tower Defense game inside of Roblox, for those looking for free stuff.

If you're after some more Gems to get your Summons in All Star Tower Defense X, check out our full list of ASTD X codes for this month!