Omega Flowey Fight Simulator !!better!!

: Expect a barrage of star-shaped eye projectiles, flamethrowers, criss-crossing vines, and falling bombs. Soul Intermissions

Why does this matter? In the original Undertale , the Omega Flowey fight is unique. It locks your Mercy button, shatters your interface, saves over your game in real-time, and requires you to survive six distinct "Soul Modes" (Red, Green, Blue, Purple, Yellow, and Cyan) before the true hero (the six human souls) rebels against the flower. Omega Flowey Fight Simulator

If you prefer to play the fight in the actual game rather than a simulator, you can use Flowey's Time Machine . : Expect a barrage of star-shaped eye projectiles,

As of 2025, several versions exist. Here are the most reliable: It locks your Mercy button, shatters your interface,

Undertale veterans who want to isolate the boss fight mechanics. Not for: First-time players (go play the actual game first) or those seeking new content.