Hold a base note → play a second note to aim (semitones above base × 7.5°) → release the base note to swing. Three turns per round: the yeti walks to wherever the penguin stopped and drives it on. Louder second note = more power. Pitch bend / mod wheel (or ←/→) trims the angle by up to a semitone.

◀ oct oct ▶

Mouse: click low on a key = loud, high = soft. Computer keys: a w s e d f t g y h u j k (hold Shift = hard hit). R = new round. The dotted line is the real simulation, and stops where the first seal, ramp or helper takes over.