- TGS demo had two difficulty modes
- Easy was a one button (A only) rhythm game
- Normal was two buttons (A and B)
- Hatsune dances while you play
- time button presses through pop up clocks with As and Bs replacing numbers
- a hand moves clockwise to the beat
- press notes when the hand moves over them
- clear one clock full of notes and another pops up
- each one takes up about half of the screen
- hit a note on time for a tiny 3D explosion