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Ignite your inner beast and lift the heaviest weights in the universe. Grow BIGGER and face rivals who keep getting stronger. Start with a relaxing idle clicker experience to build muscles, then push yourself in challenging arcade-style mini-games.
Also known as: IdleMuscleUp.exe
April 6, 2026
Idle Muscle Up was released on April 6, 2026.
Idle Muscle Up is available on PC (Microsoft Windows), Mac.
No — Idle Muscle Up is a single-player game.