Strum Surfer turns your guitar into a game controller with 15 chord-based minigames for $10

measure_plan · x · 2026-09-03

Indie developer measureplan demos a cymatic music visualizer driven by a pocket synthesizer. The underlying product, Strum Surfer ($10 one-time, no subscription), bundles 15 minigames and visualizers where your guitar — calibrated via microphone — acts as the controller: play chords to steer Snake, slash fruit, drop Tetris blocks, or shoot down Space Invaders UFOs, plus artsy sound-to-image modes like watercolor blooms and 3D audio graphs. Works on any smartphone or computer with a mic or MIDI input.

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