A free open-source circle-clicking rhythm game practice client for osu! beatmaps with Virtual Reality support. McOsu is developed separately from and has no direct affiliation with osu! or ppy Pty Ltd.
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McOsu is a free, open-source rhythm game that allows players to practice with osu! beatmaps. It offers unlimited customization options, including beatmap overrides for approach rate, circle size, and overall difficulty. McOsu features tools like a speed/BPM slider, scrubbing, quicksave/load, experimental mods, and a built-in pp counter. The game includes VR and first-person 3D gamemodes, Steam Workshop support for skins, and infinite offline profiles with pp ranking. While McOsu is not intended to replace the official osu! client, it aims to enhance the practice experience by providing features not available in the original game.