The original Omega Flowey fight is unique for several reasons:
Hosted on the MIT Scratch platform, this browser-based simulator is the easiest to access. Built by dedicated Undertale fans using Scratch’s visual coding language, it captures the core attack patterns surprisingly well.
When Undertale was released in 2015, it redefined what a boss fight could be. The final confrontation with Photoshop Flowey (commonly referred to as Omega Flowey) wasn't just a battle of stats—it was an assault on the very interface of the game itself. Flowey crashes your game window, manipulates your save files, and turns the UI into a weapon against you.
: The Steam Workshop hosts 3D or multiplayer versions, such as for Team Fortress 2 or Garry's Mod . Combat Survival Tips
fight) is a fan-created recreation of the climactic boss battle from the 2015 indie game . Most simulators are hosted on platforms like , or standalone sites like
This is the simulator’s trickiest part to replicate. In the original game, you collect glowing "Save" stars to heal. A good simulator will let you touch six stars before Flowey destroys them, starting the phase over.