Hold to widen. Release to narrow.
Centered matches earn more points.
Reach a new score to unlock a skin. Every skin plays the same.
Touch or mouse: hold the pad or playfield. Keyboard: hold Space. Escape pauses.
Sign in to save progress across visits.
On iPhone: open in Safari, tap Share, then Add to Home Screen. On Android: use the browser’s Install app option.
Installation requires HTTPS or localhost. Account saves need an internet connection. An ordinary HTTP address on your local network supports play, but not full PWA installation.