Harmonicon
A rhythm game for diatonic and chromatic harmonica — you play a real harmonica into the microphone, and it scores you against a scrolling chart.
Player's Guide →
Getting set up, calibrating your microphone, the two play modes, lessons, Jam Session, and the Song Editor.
System Architecture →
For contributors: how the subsystems fit together — the audio input pipeline, the gameplay clock, scoring, the chart format, and the crate boundaries that keep them apart.