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A rhythm game on songs from YouTube videos. Hit the notes in time against other players in public or private rooms, and make levels of your own.
Gpop.io is a free arcade, physics and puzzle io game (competitive, custom-maps, rooms). Games that do not fit the other boxes. Sumo physics, curve-fever trails, competitive Tetris. It ran when last checked, on 2026-10-16.
The game loads from gpop.io in a frame. Its own terms, privacy policy, ads and accounts apply inside it, and a save made here is separate from one on gpop.io. If you already have progress there, open the game on its own site. How the frames work.