Obby Pump Up Your Muscles! 1 per second
★★★★★4.3 (11 votes)
Simulation gamesSports gamesArcade gamesIdle games
Rating4.3 (11 votes)
PlatformBrowser (Desktop & Mobile)
Orientationlandscape
Release dateJune 3, 2026
Last updateJune 3, 2026
Train hard, build strength, and earn respect among inmates. Only raw power decides who rules behind bars.