How to Play Asgore Fight Simulator
Click inside the game window to begin. You control the red SOUL and must survive Asgore's onslaught of fire magic and trident swings. The battle begins with him destroying the MERCY button, forcing you to fight or outlast his attacks.
Asgore Controls
| Key | Action |
|---|---|
| Arrow keys | Move your soul |
| Z / Enter | Confirm / Fight |
| X / Shift | Cancel / Focus |
Click on the game window first so your keyboard inputs are registered.
What is Asgore Fight Simulator?
This web-based simulator is a fan-made recreation of the iconic confrontation with King Asgore Dreemurr from Undertale. It provides a fast-loading environment to practice his attack patterns without having to play through the entire original game.
Game Mechanics
Since this is a specific boss fight recreation, it focuses entirely on the Asgore encounter. You must endure his alternating patterns of targeted fireballs, shrinking battle boxes, and his signature sweeping trident attacks.
Tips for Beating Asgore
- Watch the Eyes: When his eyes flash blue, stop moving completely to avoid the sweeping trident. When they flash orange, you must keep moving through the attack to avoid damage.
- Fireball Patterns: Many of his fireballs follow a converging wave pattern. Don't trap yourself in the corner; weave smoothly through the gaps as they expand.
- Shrinking Box: During phases where the battle box becomes smaller, prioritize precise, tiny movements rather than large sweeps.
- Healing Timing: Only use your items when his turn completely ends, right before you are prompted to ACT or FIGHT.
- Memorize the Sequence: His attacks generally follow a predictable cycle. Use this simulator to memorize which attack comes next.
Frequently Asked Questions
Can I spare Asgore in this simulator?
No. Just like in the original Undertale fight, Asgore shatters the MERCY button right at the beginning, forcing you to engage in combat.
Why is the screen lagging during fire attacks?
If you experience lag, ensure your browser has hardware acceleration enabled. The bullet hell segments spawn many projectiles which can slow down older devices.
Are the attack patterns identical to the original game?
This simulator recreates the patterns as faithfully as possible, but minor differences in projectile speed or hitbox sizes may exist compared to the official Undertale release.
How do I heal during the fight?
Select the 'ITEM' button during your turn. Note that you have a limited inventory, so use your healing items strategically when you are low on HP.
Does this version work on mobile?
This version is primarily designed for desktop keyboards. Mobile browsers may lack the necessary arrow key inputs unless you use a virtual keyboard overlay.