Guide paddle with your mouse or trackpad.

Press Space or Enter to launch, use Left / Right arrows or A / D for keyboard control, P to pause, and R or Esc to restart.

Break classic blocks to build the groove, crack reinforced blocks in two hits, and hit modifier blocks to change the synthesizer in real time: they can brighten or darken the tone with cutoff, lengthen or shorten note decay with release, sharpen the filter with resonance, add more space with echo, speed up or slow down the loop with tempo, or thicken the pitch with detune.

Hit double-ball blocks to spawn another ball, catch falling pickups for an extra ball, and keep the loop alive.