I am building a guitar learning platform where the main feature is an RPG game called Guitar Quest. You plug in your real guitar into an audio interface and the game listens to what you play based on whats shown on the screen. Play the right note, the monster takes damage.

The goal is: fretboard memorization, scales, music theory, chord construction, and performance. There's also a tuner, practice tracking, backing tracks you can jam over, and a community for sharing your gear collection.

No AI anywhere in the stack. Just a guitar, a microphone, and some monsters.

https://openfret.com/game/demo if you want to try it (free demo, no signup).