Swap Time Trio
3.0(2)
Undertale
AU
Swap Time Trio | Ultimate AU Triple Boss Challenge
Game Overview
Released:August 10, 2025
🎮 Basic Controls: Arrow keys to control your SOUL
⏰ Wait for Intro: The battle starts with a musical prelude - be patient as the MISFORTUNE soundtrack builds up
🔄 Restart: Click the green flag in the top-left corner to restart the battle
🎯 Triple Boss Challenge: Face three swapped characters with unique abilities and attack patterns
Face the most complex Undertale AU battle ever created! Swap Time Trio pits you against three iconic swapped characters: UnderSwap Papyrus, SwapSwap Sans, and StorySwap Asriel. Experience high-density bullet hell gameplay with enhanced Karma mechanics in this ultimate Bad Time Simulator challenge.
The Ultimate AU Triple Boss Challenge
This fan-made creation elevates Bad Time Simulator to new heights with three iconic swapped characters:
Three Swapped Characters, One Epic Battle
UnderSwap Papyrus brings his lazy, joke-loving personality while maintaining Sans' bone patterns and Gaster Blasters. SwapSwap Sans adds complexity with his double-swapped mechanics and twisted attacks. StorySwap Asriel combines Asriel's power with Sans' bullet hell style, creating star-based barrages that test your reflexes. Each character contributes unique attack patterns that combine into a chaotic symphony of destruction.
Enhanced Bad Time Simulator Mechanics
This battle takes the classic Sans fight formula and multiplies it by three:
- •High-Density Bullet Hell: Face coordinated attacks from three bosses simultaneously
- •Enhanced Karma System: Intensified KR mechanics make every mistake more costly
- •Phase Progression: Battle evolves through multiple stages with increasing complexity
- •Cooperative Attacks: Bosses combine their abilities for devastating combinations
The result is a bullet hell experience that pushes Bad Time Simulator's difficulty to its absolute limit, requiring perfect timing and split-second decision making.
Practice with Infinite HP Version
If you find this version of Swap Time Trio too challenging, try our Infinite HP version for practice. Master the attack patterns and build your skills until you can achieve a no-damage run. Perfect your timing and reflexes to become the ultimate Swap Time Trio master!
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