Bad Time Simulator

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Bad Time Simulator Game Guide

Released:April 22, 2025

Sans Battles

Ready to face Sans? This comprehensive guide covers everything you need to conquer gaming's most notorious challenge. Master the patterns, dodge with precision, and survive the legendary Bad Time Simulator battle that millions have attempted. Whether you're new to the challenge or looking to perfect your skills, this guide has you covered.

What is Bad Time Simulator?

Bad Time Simulator stands as gaming's most notorious challenge, recreating the final confrontation from Undertale's Genocide Route.

The Original Challenge

Originally developed by Jcw87, this browser-based simulator has evolved into a cultural phenomenon with hundreds of thousands of players worldwide and countless fan variations.

Core Gameplay

In this intense battle within the Bad Time Simulator, you control a small red heart (your SOUL) against Sans – a skeleton with incredible powers and his signature permanent grin. The game features 24 distinct attack patterns (13 in the first phase and 11 more challenging ones in the second phase), requiring precise dodging and pattern recognition.The iconic "MEGALOVANIA" soundtrack sets the perfect tone for this legendary showdown.

MEGALOVANIA: The Legendary Soundtrack Behind Bad Time Simulator

What makes it special

•Meticulously recreated combat from Sans' fourth-wall-breaking dialogue to his varied attack patterns
•Pixel-perfect recreation of Undertale's most challenging encounter
•Punishingly difficult yet incredibly rewarding gameplay that's become a benchmark for gaming skill
•Accessible standalone format that makes the Sans fight from bad-time-simulator.com free to play in your browser

How to Play Bad Time Simulator

Master the controls and game modes to survive the legendary battle.

Getting Started

Ensure the Bad Time Simulator has loaded completely and click on the game screen to activate keyboard controls.

Controls

•Arrow Keys/WASD: Navigate menus and move your SOUL during battle
•Z/Enter: Confirm selections
•X: Go back to previous menu

Game Modes Available

•Normal Mode: The classic Sans battle experience in Bad Time Simulator. Dodge attacks and try to defeat Sans. You'll return to the menu automatically if you lose.
•Practice Mode: Hone your dodging skills without pressure. Note: attacks loop indefinitely—refresh the page to exit.
•Endless Mode: Select Phase 1 or Phase 2 for an escalating challenge that tests your endurance against the increasingly difficult patterns of the simulator.
•Single Attack: Master specific patterns by choosing from 24 different Sans attacks. Great for targeting your weaknesses or starting with simpler patterns in Bad Time Simulator.
•Custom Attack
- •Load File: Import attack patterns created by the community
- •Documentation: Access creation instructions (unlocks after loading a file)
- •Run Attack: Test custom patterns (available after loading a file)

Pro Tips for Beating Sans

•Learn patterns one at a time
•Use Single Attack mode for difficult sequences
•Watch for visual cues before attacks
•Start with easier patterns before attempting the full battle
•Remember: even experts needed many attempts to conquer the Bad Time Simulator challenge—stay determined!

Sans Battle Mastery: See All Attack Patterns in Bad Time Simulator (Full Playthrough)

FAQ

Common questions about Bad Time Simulator

Is this the full Undertale game?

No, Bad Time Simulator specifically recreates just the Sans battle from Undertale.

How accurate is this recreation compared to the original fight?

Most versions of the simulator aim for high accuracy, with only slight differences in timing or visual effects compared to the original Undertale battle.

Why is the battle so difficult?

The Sans fight in Bad Time Simulator was intentionally designed to be Undertale's ultimate challenge, testing player reflexes, pattern recognition, and persistence.

Does it include Sans' dialogue?

Most versions of Bad Time Simulator include Sans' iconic dialogue, though some focus solely on battle mechanics.

Who created the original Bad Time Simulator?

The most widely known version was created by Jcw87 in 2018.

Can I play Bad Time Simulator unblocked?

Yes! bad-time-simulator.com is fully accessible without any restrictions or limitations. You can enjoy the complete experience directly in your browser whether at home, school, or work.

Is there a mobile version available?

Yes, the game is playable on mobile devices! Touch-based controls will appear on your screen (press and hold to move in any direction, with A button for confirmation and B button for going back). However, the experience isn't ideal for this precision-demanding game. For the best Bad Time Simulator experience with optimal control and responsiveness, we still recommend playing on a desktop or laptop with a keyboard.

Comments

adadze

1 month ago

Yo, Bad Time Simulator is PAIN! Sans wiped me out in seconds, but I’m hooked. Why’s Megalovania so catchy tho?

Sans

1 month ago

Sans in Bad Time Simulator wrecks!

santo16 days ago

yoyo