Looking for the latest Undertale RNG 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 RNG?
“Embark on an unpredictable journey through the whimsical world of Undertale RNG, where every decision you make is met with random outcomes! Traverse through various challenging levels filled with unexpected twists and turns as you encounter unique characters and engage in unpredictable battles. Will you embrace the chaos and make it out victorious, or will the unpredictable nature of RNG keep you on your toes until the very end? Dive into this thrilling adventure where luck and strategy intertwine in this Roblox game, promising a truly one-of-a-kind gaming experience.”
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 August 2, 2025!
Active Undertale RNG Codes
- balances: Redeem code for tons of freebies (NEW)
- bugfixes: Redeem code for x3 Tastes of Heaven (NEW)
- celebrationv3: Redeem code for YIPEEEButOnceAgain?????? Aura (NEW)
- chaosmomentagain: Redeem code for freebies (NEW)
- goop: Redeem code for freebies [Expires August 2nd] (NEW)
- ilovechaos: Redeem code for freebies
- ilovechaos2: Redeem code for freebies
- ilovechaos<3: Redeem code for freebies
- newcube??: Redeem code for x4 Niko?? and x8 Broken Cube Fragments (NEW)
- newupdate: Redeem code for 2 niko??, 2 heaven (NEW)
- recoverplsniko: Redeem code for 5 niko?? (NEW)
- roaringupdate: Redeem code for 10 niko?? (NEW)
- shutdownnumber35: Redeem code for freebies (NEW)
- shutdownnumber36: Redeem code for freebies (NEW)
- shutdownnumber37: Redeem code for freebies (NEW)
- soongoal: Redeem code for x1 Monster Candy (NEW)
- sorryforissuesv2: Redeem code for freebies
- yayupdate: Redeem code for x5 Tastes of Heaven (NEW)
How to Redeem Undertale RNG Codes?
Roblox Anime Fighters Simulator Update 41: New Defense Mode, JJK Map, and More
What Do These Codes Do?
Undertale RNG 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.
Schedule Codes – April 2025
How to Get More Codes
The best way to find new Undertale RNG codes is to keep an eye on the official Roblox Undertale RNG 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.