Universal Tower Defense doesn’t punish you early, which is why many players burn through rewards without realizing it. Gems feel generous at first, rerolls seem endless, and upgrades appear cheap. That illusion disappears fast once the difficulty spikes.
Codes can help a lot, but only if they’re used at the right moment. Redeeming everything the second you see it often leads to wasted rerolls, poorly upgraded towers, and slower progression overall. The same codes can feel powerful or completely useless depending on when you use them.
This guide doesn’t just list active Universal Tower Defense codes. It explains when to redeem them, what to spend them on, and which players benefit the most right now, so you don’t accidentally sabotage your own progress.
Active Universal Tower Defense Codes (Updated)
Here are all the currently working Universal Tower Defense codes, along with who should actually redeem them. Some codes are locked behind levels or Early Access, so timing matters.
- ThankYouForOneMonth! – Redeem this code for 50x Trait Rerolls, 7500 Gems, 15000 Ice Gifts, 25x Stat Rerolls, 10 Stat Locks (NEW)
- WhiteRoseOps – Redeem this code for 50x Trait Rerolls, 25x Stat Rerolls, 10 Stat Locks (NEW, need level 25)
- Engage! – Redeem this code for 30,000 Ice Gifts (NEW, need level 15)
- StepUp! – Redeem this code for 10,000 Gems (NEW, need level 20)
- SorryForTheDelayGuys! – Redeem this code for 50x Trait Rerolls, 5000 Gems (NEW, need level 5)
- WinterPatch26 – 20 Trait Rerolls, 5000 Ice Gifts
- AUniversalWinter! – 2,500 Ice Gifts, 30 Stat Rolls and 15 Stat Locks
- WinterUpd – 25x Trait Rerolls and 5,000 Ice Gifts
- WinterTIME! – Winter Lobby OST, 25x Trait Rerolls, 5,000 Ice Gifts, and 15,000 Gold
- ILoveWinter! – 100 Trait Rerolls
- WinterPolls – 50 Trait Rerolls, 20 Stat Locks, 50 Stat Rerolls
- WinterIsComing! – 250 Spirit Souls, 3000 Gems, 15 Rerolls (need level 20)
- ILoveUTD! – 50 Trait Rerolls, and 2000 Gems (need level 25)
- PeroxideUpd! – 25 Trait Rerolls, 2500 Gems, and 10000 Gold (need level 15)
- SmallGift – 10 Trait Rerolls, and 1000 Gems
- Update 0.5 – 25 Trait Rerolls, and 5000 Gems (need level 5)
- NewYear26! – 50 Trait Rerolls, 30 Stat Rerolls, and 15 Locks (need level 50)
- InterestedIn0.5! – 25 Trait Rerolls (need level 15)
- MaintenanceTomorrow_0.5! – 50 Trait Rerolls
- MerryChristmas – 100 Trait Rerolls, 10 Stat Rerolls, and 10 Stat Locks
- YT10k! – 2k Gems
- ThankYou30M – 500 Gems, 15 trait rerolls
- UnrivaledIsAlive – 800 Gems, 20 Trait rerolls
- ThankYouFor150k – 1.5k Gems, 50 Trait rerolls
- ThankYou100k – 100 Trait Rerolls
- HereyougoEA! – 2000 Gems, 20 Trait Rerolls, and 5 Stat Locks
- ThousandsOfCodes! – 800 Gems, 15 Trait Rerolls
- MaxedOut! – 600 Gems, 10 Trait Rerolls
- SixSeven! – 67 Trait Rerolls
- FixingBugs! – 450 Gems, 25 Trait Rerolls
- 75kLikes! – 400 Gems, 10 Trait Rerolls
- NumberOne! – 500 Gems, 15 Trait Rerolls
- Universal! – 450 Gems, 15 Trait Rerolls
- Mainstream! – 450 Gems, 15 Trait Rerolls
- ThankYouUTD! – 400 Gems, 5 Trait Rerolls
- 40kCCU! – 4000 Gems, 40 Trait Rerolls
- RELEASE! – 400 Gems
- THANKYOU! – 400 Gems
- UNRIVALED! – 200 Gems, 5 Trait Rerolls
- SorryEA! – 100x Trait Rerolls
- SorryEA2! – 5k Gems
How to Redeem Codes in Universal Tower Defense
Redeeming codes is quick and simple:
- Launch Universal Tower Defense
- Click the Codes button on the main screen
- Enter a working code exactly as shown
- Confirm to receive your rewards instantly
If a code fails, it has likely expired or already been redeemed on your account.
Who Should Use These Codes Right Now?
These codes are most useful if you fall into one of the groups below:
- New players unlocking their first strong damage or support tower
- Mid-game players farming gems for trait optimization
- Players stuck clearing later story stages or infinite mode waves
- Free-to-play users are trying to avoid unnecessary grind
If you already have a fully optimized late-game loadout, most codes offer diminishing returns unless saved strategically.
Best Way to Use Universal Tower Defense Codes
If you want maximum impact from these rewards, follow this approach:
- Delay reroll usage until you have a tower that stays relevant beyond early stages
- Stack gem codes and spend them in one focused session instead of piecemeal upgrades
- Prioritize scaling towers, not flashy early damage units
- Avoid experimenting blindly with rerolls until you understand trait synergy
Players who follow this method progress noticeably faster than those who redeem codes immediately.
Expired Universal Tower Defense Codes
The following codes no longer work:
ThankYouEA!
These are kept here to prevent confusion if you see them mentioned elsewhere.
How to Get More Universal Tower Defense Codes
The most reliable source is the official Universal Tower Defense Discord server. Developers usually share code there during updates or milestones.
That said, Discord can be noisy. Codes are not always pinned or placed in a single channel, which makes hunting them down annoying.
Are Universal Tower Defense Codes Worth Saving?
In most cases, yes. Codes that offer rerolls or large gem rewards, gain value the longer you wait, especially once you understand which towers and traits matter long-term.
Redeeming everything early feels good short-term, but often leads to slower overall progress. Strategic timing makes a bigger difference than the number of codes you use.
Final Thoughts
Universal Tower Defense codes are not rare, but smart usage is. Treating them as progression tools instead of free bonuses changes how fast you move through the game.
If you’re stuck, low on resources, or unsure where your upgrades went wrong, chances are the issue isn’t bad luck. It’s timing.
Use codes with intent, not impulse, and the game becomes much more forgiving.
