Updated: June 25, 2025
THANKYOU12MILLIONVISITS—Code found and tested, it works!
Grab the latest Undertale Adventures TD codes from our list and prepare for battle in a vibrant world inspired by the wholesome games we all love. Your base is under attack, and you need to summon your favorite Undertale/Deltarune characters to defend it from total annihilation.
All Undertale Adventures TD Codes List
As usual, you'll start this TD title with limited resources, so use the codes to collect all the Trait Rerolls, Justice Vials, Magu Fruit, and other essentials to gain a decent head start. If you want to check out another Roblox experience set in the wondrous world of Undertale/Deltarune, we've got a list of Undertale: Arena codes with plenty of free goodies for you to collect right now!
Active Codes
| THANKYOU12MILLIONVISITS | Redeem for a Justice Vial, a Magu Fruit, and an Empty Gun (New) |
Expired Codes
Related: Undertale World codes
How to Redeem Codes in Undertale Adventures TD
Here's everything that you need to do to properly redeem your Undertale Adventures TD codes:
- Launch Undertale Adventures TD in Roblox.
- Press the white bird codes icon on the right.
- Input a working code into the Enter Code field.
- Hit the Enter key to claim your free rewards.
How to Get More Undertale Adventures TD Codes
You can dig for Undertale Adventures TD codes alone by joining the Side Productions Discord server and joining the Side Productions Roblox group. However, you can also focus on summoning the best Units in the game and upgrading them until they're unstoppable, while we collect all the codes and add them to our regularly updated list. Just bookmark the article and return frequently.
Why Are My Undertale Adventures TD Codes Not Working?
You need to make sure that your codes don't contain any typing errors. The easiest way to do so is to copy and paste everything with the help of our list. If you encounter an expired code that we've somehow overlooked, let us know, and we'll put it where it needs to be ASAP.
Undertale Adventures TD FAQ
There is currently no Wiki page for Undertale Adventures TD. There used to be a Trello board, but it has since been closed. There is, however, a probability that it's only being revamped. Check out our article from time to time, as we'll let you know as soon as it's public again.
While you can use Trait Rerolls to make your units more powerful, leveling them up is as straightforward as it gets—just keep playing the campaign and taking out as many monsters as you can.
Yes, you can enter every giveaway that is hosted on the developer's Discord server regardless of your membership level. The only exceptions are specific events where the host states otherwise.
Undertale Adventures TD is a wholesome tower defense experience inspired by the world of Undertale and Deltarune. Summon your favorite characters and reroll their Traits until you've turned them into unstoppable fighters. Set them up strategically to defend your base from monsters that disagree about how beautiful the realm of these games truly is.
We've got many more codes for all kinds of majestic Roblox experience on our Roblox Game Codes post. If that's not enough, you should also visit our Roblox Promo Codes page and collect all the freebies while you still can!
Vuk Vladisavljev is a codes writer for GAMURS, whom you’ll likely find hunting for new codes for our Roblox gamers. He enjoys scraping the furthest corners of Fallout: New Vegas or having an existential crisis in Disco Elysium. He’s been gaming for almost 25 years and can’t imagine life without dogs, loud music, or his PC rig.