If you're looking for codes for other games, we have a ton of them in our Roblox Game Codes post! You can also get a bunch of free stuff via our Roblox Promo Codes page. Additional troops will give you different options to use when heading into different maps. These include additional troops that you can use in the game to bolster your army! Be sure to check out the Rewards menu on the side of the screen to see what you will gain by leveling up. Gaining additional XP is useful to you because you can unlock various rewards. Enter each working code separately into the text box and press Redeem to receive your free reward. Just launch the game and press the Twitter button on the left side of the screen. It's a very simple process to redeem your codes in Tower Defense Simulator. How to Redeem Codes in Tower Defense Simulator Springtime Skin (Commander): HAPPY3AST3R!.Springtime Skin (Shredder): SPR1NGM1元ST0NE.