Press DFJK for lanes 1–4.
On mobile: tap the lane column directly.
10× = ×2 | 25× = ×3 | 50× = ×4 | 100× = ×5
Your hits drain the AI's HP. Their misses help you recover. First to 0 HP loses — or best HP when song ends wins!
S ≥95% A ≥85% B ≥70% C ≥50% D <50%