by kamilderboii
Undertale: Timeline Collapse Codes
Working Undertale: Timeline Collapse Codes
Last updated August 21, 2026
No working codes right now
We're tracking Undertale: Timeline Collapse and will list codes here the moment the developers release them. If you spot one first, send it our way below.
How to redeem codes in Undertale: Timeline Collapse
- Launch Undertale: Timeline Collapse on Roblox.
- Look for a Codes, Shop or settings button — usually on the side of the screen.
- Paste the code exactly as shown above. Codes are case-sensitive.
- Press redeem to claim your reward.
Codes expire without warning — if one fails, it was almost certainly pulled by the developer.
Found a code we're missing?
Submit it and we'll verify it before it goes live.
About Undertale: Timeline Collapse
✨Undertale: Timeline Collapse is based off Undertale made by Toby! This is a PVP style game where you can fight others, role play, complete challenges, defeat bosses, and much more! Collect unique characters and be on the lookout for limited and rare additions to the game! 🎮 Each character is designed to be unique in their own way, the more expensive a character gets the more powerful and strong it is! 💎 Check out our official server to get access to codes and be a part of the community! 📓 Able to play on keyboard, console and mobile. 💣 Shutdown = Update/New changes 🌟 Account must be 7 days old to play