Train hard and earn the respect of the inmates in the brutal sports simulator Obby Pump Up Your Muscles!. You will have to constantly build muscle mass using various exercise machines in order to demonstrate your superiority in the prison yard. Click on your inventory directly on the screen in Obby Pump Up Your Muscles! for the sake of quickly increasing physical performance, dominating opponents and gaining game points. For regularly performing sets, developing endurance and proving that only brute force determines the ruler behind bars, you are awarded bonuses. Good endurance will help you endure heavy loads. Developed discipline will allow you to effectively upgrade your character for leadership.
