The Disco Devil is forcing everyone and everything to dance. Only a little green cube can stop him. W, A, and D move. Avoid the red blocks, they're the only blocks that don't change color. Don't let the music stop, the Disco Devil controls you when it ends.
The main music is Disco Descent from Crypt of the Necrodancer. The music at the end is also from Crypt of the Necrodancer. I recently changed some things about the code to make it run smoother. The game is the exact same, no visual changes. TurboWarp: https://turbowarp.org/1102642412