Undertale: Rejuvenation

4.1(16)

Undertale

Bad Time Simulator

Undertale Sans Fight

Endless Sans

Sans Fight Simulator

Mouse Control Bad Time Simulator

Gaster Fight

Bad Time Trio Simulator OG 2 Player

Swift Bad Time Trio

Undertale Last Breath

Lucas Battle

Sir Kain Battle

Swap Time Trio

Bad Time Simulator Horrortale

Horrortale Sans Fight

Inktale Sans 2-Player Battle

Underfell Sans Fight

Friday Night Funkin vs Sans

AU Trio Fight

Super Mario Bad Time Duo

Deltarune

Jevil Fight

Berdly Fight

Queen Fight

Jevil Fight 2-Player

Undertale: Rejuvenation | Post-Genocide Fan RPG by S00TF00T

Released:August 18, 2025

Undertale

🎮 Basic Controls: Arrow keys to move, Z to confirm, X to cancel

📖 Chapter Progression: Complete Chapter 1 to unlock Chapter 2, and so on through all 4 chapters

💾 Save System: Press 'Save' to get a code, use Options > Load to enter code (Z increases digit, arrows navigate, down to confirm)

⏳ Please Wait: Large file size requires patience during initial loading

Undertale Rejuvenation Chapter Selection Screenshot

Experience the aftermath of a failed Genocide Route reset in this ambitious 4-chapter fan-made RPG! When Frisk and Chara's hasty reset attempt goes catastrophically wrong, Alphys must intervene to prevent total disaster. Explore new storylines, face challenging battles, and uncover the consequences of tampering with reality itself.

Complete RPG Experience in Post-Reset World

This fan-created masterpiece by S00TF00T delivers a full Undertale RPG experience with original content:

Original Story Following Genocide Consequences

Witness the dark aftermath when a Genocide Route reset fails spectacularly. Alphys takes center stage as she desperately tries to repair the damage caused by Frisk and Chara's reckless attempt to reset reality. This isn't just another AU - it's a direct continuation exploring what happens when the worst-case scenario becomes reality.

Enhanced RPG Mechanics and Battle System

Experience refined Undertale gameplay with significant improvements:

•New characters with unique dialogue trees and personality
•Enhanced bullet-hell patterns requiring strategic thinking
•Original music tracks that complement the darker atmosphere
•Multiple story paths with choices that impact the narrative outcome

The game maintains the classic Undertale feel while introducing fresh mechanics that keep veteran players engaged.

Professional-Quality Fan Production

Created by S00TF00T with meticulous attention to detail, this isn't a simple mod but a complete standalone experience. The production quality rivals official games with full voice acting, professional sprite work, and a compelling soundtrack that enhances the post-apocalyptic atmosphere of the Underground.

Undertale Rejuvenation Gameplay Screenshot

Gameplay Showcase

Watch the game in action:

Comments

Ready to Face the Post-Genocide Consequences?

Start Chapter 1 - The Aftermath Begins

Undertale: Rejuvenation

Undertale: Rejuvenation | Post-Genocide Fan RPG by S00TF00T

Game Overview

Complete RPG Experience in Post-Reset World

Gameplay Showcase

Ready to Face the Post-Genocide Consequences?