Tap when the shrinking ring hits the target.
Tap or click the play area. There is no keyboard shortcut.
Keep the streak alive. Closer taps add more points.
Pulse Beat is a timing ring. An outer ring shrinks toward a fixed inner circle. Tap when the two line up. A tap that is way early or way late ends the run. Taps that land closer to the perfect line score more, so a clean streak is worth more than a sloppy one that merely survives. There is no keyboard shortcut — the play area is the only input.
Fly a ship and blast incoming craft.