About Obby Pump Up Your Muscles!
Train hard and earn the respect of your inmates in the brutal sports simulator Obby Pump Up Your Muscles!. In this game you have to constantly build muscle mass on various exercise machines to show your superiority in the prison yard. Click on the sports equipment on the screen in Obby Pump Up Your Muscles! to quickly improve your physical performance, dominate your opponents and get points. Bonuses are given for regular approaches, developing endurance and proving that only brute force determines the boss behind bars. Good endurance will help you endure heavy loads. Iron discipline will allow you to effectively upgrade your character for leadership. Gain weight and start playing for free on SGameS to take over the entire prison and become the most respected muscleman.