It's survival of the fittest in Roblox's Prison Pump. In this game, you're stuck in a hostile prison with danger coming out of every corner. Your job is to fight to survive and to climb from the ...

Prison Pump is all about building muscle and unlocking new levels of power by training to the very limit.The Maximum Gains update focuses on this philosophy and introduces new weight types ...

Open Prison Pump on Roblox. Click the "Menu" tab on the right side. Select the "Codes" tab, which is directly below the Menu tab. Type a working code in the "Enter code" text box.