Muscle Run Io belongs to .io and it is often associated with Fun Games and Running Games. This game has received 66 votes, 57 positive ones and 9 negative ones and has an average score of 4.0. It is a game played in portrait and it's playable on Desktop and Mobile on gamepix.com. This game has been published on 2022-09-15, and updated on 2022-09-15.