Guitar Flash v2.09

Rhythm Doctor is a one-button rhythm game where you save patients by pressing on the seventh beat of their heartbeat. 20+ handmade levels teach rhythm theory as you play.

PadManiaX by Retora is a pixel-style rhythm game where you tap arrows to the beat across four lanes. It recreates the StepMania feel with touch, keyboard or dance-pad controls, and you can load your own songs from .sm or .ssc files. Free to play, version 0.0.1, about 28 MB.

Incredibox Blinding Lights is a fan-made music mod that remixes The Weeknd's hit into Incredibox's drag-and-drop beatbox game. You assign beats, vocals and effects to animated characters to build your own layered version of the track. It is free and unofficial, and it works on Android phones and in browsers.

Incredibox Alan Walker is a free fan-made music game for Android where you drag sound icons onto animated characters to build EDM-style remixes inspired by Alan Walker. It is not the official Incredibox app and is not on Google Play.

Sprunki Vaporwave is a mobile music-making game where players mix beats, melodies and effects using animated characters for a playful rhythm-building experience. Drag-and-drop controls let each character add its own sound, and the retro vaporwave look gives every track a dreamy style. It is beginner-friendly and also has a browser option for quick play.

FNF Mod: Garcello is a fan-made Friday Night Funkin' mod, Smoke 'Em Out Struggle, by Atsuover & Rageminer. Boyfriend faces Garcello, a laid-back teal-haired smoker, in rhythm battles across the songs Headache, Nerves, Release and Fading. It is a free fan project, not an official Friday Night Funkin' release.