AVSEQ (2012)

AVSEQ is an audio-visual sequencer puzzle game. Connect falling atoms to unlock near-endless varieties of music at each stage. Every level of AVSEQ is a music sequencer with 2.2300745198530623×10^43 possible audio permutations, that's 22 tredecillion in total! No, we're not making those numbers up. We actually did the math.