Looking for the latest Undertale Rebuild TD codes? We’ve got you covered! This list includes all of the active codes that will give you free rewards like spins and gems.
If you’re actively playing other Roblox Games, be sure to check out the rest of our Roblox code guides to help make life a little easier
What is Undertale Rebuild TD?
“Undertale Rebuild TD” is an exciting Roblox game that combines elements of tower defense strategy with the beloved characters and universe of the hit game Undertale. Players will embark on a thrilling adventure to defend the Underground from waves of enemies by strategically placing towers and utilizing unique abilities inspired by Undertale’s iconic characters. With engaging gameplay, charming graphics, and a nostalgic soundtrack, “Undertale Rebuild TD” offers fans of both tower defense games and Undertale an immersive and challenging experience. Join the battle, protect the Underground, and become a hero in this captivating Roblox game!
There are a number of different factors that affect how far you can yeet your friend, including your running speed, your friend’s weight, and the terrain. You can also upgrade your yeeting power and unlock special pets to help you yeet your friend even further.
If you’re looking for more codes, be sure to check out our Underworld Ream Codes, Toilet Tower Defense Codes, and Peroxide Codes pages! Or have a look at our Roblox corner of the site for even more game codes and updates.
We checked for new codes on July 16, 2025!
Active Undertale Rebuild TD Codes
- 1000Likes: Redeem code for Soul Fragments ×1950 and Determination Extract ×15 (NEW)
- 350KVisits: Redeem code for Soul Fragments ×900, Determination Extract ×2, and New Banner Fragments ×30 (NEW)
- 600Actives: Redeem code for Soul Fragments ×1500, Determination Extract ×5, and New Banner Fragments ×150 (NEW)
- FixAndBugs: Redeem code for Soul Fragments x500 and Determination Extract ×3 (NEW)
- Flirt: Redeem code for Determination Extract × 10 and New Banner Fragments ×50 (NEW)
- Index: Redeem code for Soul Fragments ×1000 and Determination Extract ×2 (NEW)
- JudgmentHall: Redeem code for Soul Fragments ×3000 and Determination Extract ×5 (NEW)
- Not5000Members: Redeem code for Soul Fragments × 1 and Determination Extract ×1 (NEW)
- OpenTestRound2: Redeem code for Soul Fragments ×3000 and Determination Extract ×3 (NEW)
- WasHere: Redeem code for Soul Fragments ×7500, Determination Extract ×15, The MTT Trio ×1, and WAS HERE ×1 (NEW)
How to Redeem Undertale Rebuild TD Codes?
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What Do These Codes Do?
Undertale Rebuild TD codes give you free in-game items and bonuses that can help you progress faster. These rewards can include coins, boosters, and even new units. However, keep in mind that these codes can only be redeemed once, so it’s important to claim them when you’re ready to maximize their benefits.
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How to Get More Codes
The best way to find new Undertale Rebuild TD codes is to keep an eye on the official Roblox Undertale Rebuild TD page. The developers often post new codes there, as well as news and updates about the game. You can also check this wiki regularly for updates on the latest codes.
