Tower Defense Simulator tasks you with placing units along a path to stop waves of enemies before they reach your base. Codes are the fastest way to pick up free crates and cosmetics without grinding through matches first.
Working Tower Defense Simulator codes
These codes are currently redeemable in-game. Enter them exactly as written, since the redemption box is case-sensitive.
1MILCOMMUNITY— Free rewards tied to a community milestone NEW2MILLION— Free rewards marking a player milestone NEWCHRISTMAS2025— One Christmas 2025 crate
How to redeem codes in Tower Defense Simulator
Codes are redeemed from a dedicated menu inside the match lobby, not through a website.
Expired Tower Defense Simulator codes
These codes no longer produce rewards. They’re listed here so you don’t waste time retyping them.
9509253943JOHNRETURNSW33KLICODEQNJOU11robloxisbackCOMMUNITY201pumpkinimababybeachglad2022celebration21200KMAY02MOMENT5KMILESTONEnewyear2021MERRY2021B1RDHUNT3RNAMETAGSRCOOLFIFTYKHAPPY3AST3R!SPR1NGM1L3ST0NEDOUBLEBLOXIESMOARXPSW33TXPM3RRY2022TDS30k1BILLIONICYFREEZEHAPPYHALLOWEENdelayedMERRYXMAS2023BLOXY21ELECTROMERRY2024IMCONSUMINGTDS5YEARS!EnterCodeHere1POINT7MILNOTESLA?4BVisits
What codes actually reward
Most Tower Defense Simulator codes hand out crates, cosmetic skins for your towers, cash, or small XP boosts rather than gameplay-changing units. That lines up with how progression in the game works overall, since your real strength comes from placing and upgrading towers to hold off waves of enemies, not from a single code redemption.
New codes tend to appear around large updates, holidays, or community milestones such as a follower or visit count, so there’s no fixed release schedule to plan around.
Other ways to earn free rewards
Codes aren’t the only source of freebies. Logging in daily lets you collect a reward from the top right of the screen, and completing the tutorial for the first time hands out starting cash. Finishing quests and missions earns XP and items, plus badges that unlock additional rewards from the rewards menu.
| Reward method | What you get | How often |
|---|---|---|
| Codes | Crates and other free items | Whenever new codes are released |
| Daily login | Cash and bonuses | Once per day |
| Quests and missions | XP, cash, and reward items | Repeatable |
| Badges and achievements | Extra rewards after milestones | One time per badge |
| Roblox group membership | $100 starting cash | One time |
Joining the game’s Roblox community grants that one-time $100 starting cash bonus on top of anything you redeem through codes.
Where new codes get announced
New codes usually surface first on the developer’s own channels before they’re widely known. The official Paradoxum Games X account and the @BelowNatural account both post code announcements, and the Tower Defense Simulator Discord server is generally the fastest place to catch news and reward drops as they happen.
Bookmarking a reliable code list and checking back after major updates or holidays is the simplest way to avoid missing a short-lived reward window.
