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About Prison Planet

Prison Planet - about the game

Discover aliens, design and build your own your own intergalactic space-prison! To play, design Cell blocks and then confine prisoners using your security drone! This unique combination of building and action mechanics will keep you playing for hours.



  • Discover and collect many unique aliens
  • Secure your prisoners in the action packed Lock-Down sequence
  • Build your prison to be uniquely your own!
  • Research new buildings and cell blocks
  • Keep your inmates in great shape to maximize profits!