Last checked: May 8, 2026
Tower Defense Simulator Codes (April 2026) — All Active & Expired Codes
Here you'll find every confirmed active code for Tower Defense Simulator on Roblox, along with a full list of expired codes and a step-by-step redemption guide. We check for new TDS codes regularly and update this page the moment fresh rewards go live.
Tower Defense Simulator (TDS) is a cooperative tower defense game developed by Paradoxum Games that has accumulated over 3.1 billion visits since its 2019 launch. Players place and upgrade towers across a variety of maps to fend off waves of zombies, bosses, and other enemies. The game's deep upgrade system, team-based gameplay, and regular seasonal events have kept it near the top of Roblox's charts for years.
The developers release promotional codes that give out free skin crates, exclusive towers, in-game coins, and other rewards. These codes tend to appear during holiday events, game anniversaries, and player count milestones. Because TDS codes can expire without warning, checking this page regularly is the safest way to make sure you don't miss anything.
For more TDS strategies and tips, visit our Tower Defense Simulator hub page.
All Active Tower Defense Simulator Codes (April 2026)
As of April 21, 2026, there are 6 active codes for Tower Defense Simulator. Redeem them as soon as possible — TDS codes can expire without warning.
| Code | Reward | Status |
|---|---|---|
| 1AprilKikkerInJeBil! | 420 Rubies, 69 Trait Rerolls, 67 Perk Rerolls | Active |
| Easter2026 | Surprise rewards | Active |
| Conan! | Free rewards | Active |
| CanYouMakeACode? | 150 Trait Rerolls, 150 Perk Rerolls, 10 Lost Chests | Active |
| BattlepassSeason8! | 10 Lost Chests | Active |
| K1L4 | 24-hour 100% Gold Boost | Active |
All Expired Tower Defense Simulator Codes
The following codes have been deactivated and can no longer be redeemed. We keep them listed here for reference so you don't waste time on dead codes. This list also shows you the types of rewards TDS codes typically offer.
| Code | Status |
|---|---|
| 4BVisits | Expired |
| Rem&Ram! | Expired |
| CHRISTMAS2025 | Expired |
| NOTESLA? | Expired |
| 1POINT7MIL | Expired |
| TDS5YEARS! | Expired |
| MERRY2024 | Expired |
| EnterCodeHere | Expired |
| IMCONSUMING | Expired |
| MERRYXMAS2023 | Expired |
| HAPPYHALLOWEEN | Expired |
| NAMETAGSRCOOL | Expired |
| M3RRY2022TDS | Expired |
| beachglad2022 | Expired |
| JOHNRETURNS | Expired |
| MERRY2021 | Expired |
The expired list reveals clear patterns worth tracking. Holiday codes like CHRISTMAS2025, MERRY2024, MERRYXMAS2023, M3RRY2022TDS, and MERRY2021 show up every December. The TDS5YEARS! code celebrated the game's fifth anniversary, and 1POINT7MIL marked a favorites milestone. Seasonal codes such as HAPPYHALLOWEEN and beachglad2022 tied into specific event windows. These patterns are useful because they tell you when to watch for the next round of codes.
How to Redeem Codes in Tower Defense Simulator
Redeeming codes in TDS takes less than a minute. Follow these steps to claim your rewards:
- Open Roblox and launch Tower Defense Simulator from the game page or search using Place ID
3260590327. - Once you're in the game lobby, look for the Twitter/X icon at the bottom of your screen and click it.
- A code redemption window will appear with a text box labeled "Enter Code Here".
- Type or paste your code into the text box exactly as shown. TDS codes are case-sensitive, so capital letters, numbers, and special characters like
!and?all matter. - Click the Redeem button to submit your code.
- If the code is valid, your reward will be credited to your account instantly. Check your inventory or loadout to confirm the reward appeared.
If a code doesn't work, double-check the spelling, capitalization, and any special characters. If it still fails, the code has most likely expired. Return to this page to find the latest working codes as they become available.
What Do Tower Defense Simulator Codes Give You?
TDS codes have rewarded a wide range of items over the years. Knowing what each reward type does helps you understand why certain codes are more valuable than others.
Skin Crates and Premium Skin Crates are the most common code reward. Opening a crate gives you a random cosmetic skin for one of your towers. Premium Skin Crates contain rarer skins with more detailed visual effects. While skins don't affect tower stats or damage output, they let you customize your loadout and stand out in multiplayer lobbies. Rare skins from limited-time crates can become collector's items.
Holiday Crates contain exclusive seasonal items that are only available during specific events. The Christmas Crate from the CHRISTMAS2025 code, for example, included winter-themed tower skins and decorative items. Once the event window closes, these items become unobtainable through normal means, which makes holiday codes especially worth grabbing.
Exclusive Towers have appeared as code rewards in the past. The MERRY2024 code gave players the Cookie Scout tower alongside a Holiday Crate. These code-exclusive units fill unique roles in your tower roster and provide strategic options that other players may not have access to.
Coins and Resources speed up your progression by giving you currency to spend on tower upgrades and unlocks. While these rewards may seem smaller than a full crate, they reduce the grind and help you reach your next unlock faster. Every free coin is one less you need to earn through gameplay.
How to Get Extra Starting Cash in TDS
Beyond codes, there's a permanent perk that many TDS players don't know about. Joining the Paradoxum Games group on Roblox gives you an additional $100 starting cash at the beginning of every match. This bonus applies automatically as long as you remain a group member.
That extra $100 makes a real difference in the opening waves. It lets you place an additional tower at the start or upgrade your first tower one level sooner than normal. Over hundreds of matches, the advantage compounds significantly. Joining the group is free, takes about ten seconds, and there's no reason not to grab this permanent buff.
Where Do New Tower Defense Simulator Codes Come From?
Paradoxum Games distributes TDS codes through several official channels. Knowing where to look helps you catch codes before they expire.
Twitter / X: The @paradoxum_games account is the primary source for new codes. Most codes are announced here alongside patch notes or event trailers. Developer BelowNatural also shares codes through his personal account. Turning on notifications for these accounts is the fastest way to hear about new drops.
Discord: The official TDS Discord server posts codes in announcement channels. Community members share them quickly after release, and the server is also where you'll find the most detailed information about upcoming updates, balance changes, and event schedules.
Holiday events: Christmas, Halloween, summer, and game anniversary events are the most consistent sources of new codes. The developers have a strong track record of releasing at least one code with each seasonal event. Codes like CHRISTMAS2025, HAPPYHALLOWEEN, and beachglad2022 all followed this pattern.
Milestone celebrations: When TDS hits major favorites or visit milestones, the developers reward the community with a special code. The 1POINT7MIL code celebrated 1.7 million favorites, and similar milestone codes have appeared throughout the game's history. With over 3.1 billion visits as of March 2026, the next milestone code could arrive at any time.
We monitor all of these sources and update this page as soon as a new code is verified. Bookmarking this page saves you the hassle of checking multiple platforms yourself.
Tips for Getting the Most Out of Tower Defense Simulator
Whether you're just starting out or you've been playing TDS for years, these strategies will help you progress faster and clear harder content.
Play cooperatively whenever possible. TDS is built around multiplayer, and having teammates who cover different roles makes clearing harder maps much easier. Coordinate tower placements so you're not doubling up on the same type. A balanced team with damage dealers, support towers, and area-of-effect specialists handles enemy waves far more efficiently than a team running identical setups.
Upgrade strategically, not broadly. Fully upgrading a few key towers almost always outperforms spreading your coins across many half-upgraded ones. A single maxed-out tower delivers more raw damage and wave control than three towers sitting at level 2. Focus your spending on the towers that match the enemy types in the current wave rotation.
Learn the maps and enemy spawn patterns. Each TDS map has specific chokepoints and long paths where towers are most effective. Placing your towers at these positions multiplies their value because enemies spend more time within range. Knowing which enemy types appear in which waves lets you prepare counters before the threat arrives instead of reacting after the fact.
Save skin crates for events. If you're patient, holding onto crates until a seasonal event is active can sometimes yield limited-edition skins. This isn't guaranteed for every event, but it's worth checking event details before opening everything at once.
For a deeper breakdown of tower strategies and progression tips, check our Tower Defense Simulator free Robux guide.
Earn Free Robux While You Play
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Frequently Asked Questions
Open Tower Defense Simulator on Roblox, click the Twitter/X icon at the bottom of your screen, type or paste your code into the text box labeled "Enter Code Here," and press the Redeem button. Your reward will be added to your account immediately if the code is valid.
Codes may fail if they've expired, if you've already redeemed them on your account, or if you entered them with incorrect capitalization. TDS codes are case-sensitive and some include special characters like exclamation marks or question marks. Enter them exactly as shown on this page.
New TDS codes are released on an irregular schedule, often tied to holiday events, game anniversaries, player count milestones, and major content updates. Paradoxum Games doesn't follow a fixed timeline, but you can generally expect a few codes per year around significant events. We update this page as soon as any new code is confirmed.
No. Each code can only be redeemed once per account. Attempting to use a code you've already claimed will result in an error message. You can't redeem the same code on the same account twice, but you can use the same code on different Roblox accounts.
Yes. Most TDS codes have a limited window of availability. The developers can deactivate codes at any time without advance notice. Event-specific codes like CHRISTMAS2025 typically expire when the associated event ends, while milestone codes may last slightly longer. The safest approach is to redeem every code the moment you find it.
Join the Paradoxum Games group on Roblox. As a member, you receive a permanent bonus of $100 starting cash at the beginning of every match. This perk is free and applies automatically as long as you stay in the group.
TDS codes have historically given out skin crates, premium skin crates, holiday crates, exclusive towers like the Cookie Scout, in-game coins, and experience boosts. The exact reward depends on the code and the event it's tied to.
Follow the official Paradoxum Games account on Twitter/X and join the TDS Discord server for the fastest code announcements. You can also bookmark this page, which we update regularly as new codes are confirmed.
About This Page
We maintain this Tower Defense Simulator codes list as a resource for the Roblox community. Every code on this page has been tested in-game to verify whether it's currently active or expired. Our goal is to save you time by keeping everything in one place so you never miss a free reward.
If you notice a code we've missed or if a code's status has changed, let us know through our Discord server. We appreciate the help in keeping this page accurate for everyone.
This page is not affiliated with Paradoxum Games or Roblox Corporation. All trademarks and game content belong to their respective owners. Code availability is subject to change at the discretion of the game developers.