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.

Tower Defense Simulator is one of the most popular games on the Roblox platform. The game very much does what it says on the tin, a tower defense game with plenty of game modes and levels to grind.

There’s a distinct vibe of Plants Vs Zombies to 'Hold Back the Dead', a free Dungeons and Dragons adventure releasing in early February.