You must keep the human slave population on Prison Planet
from escaping. Human slaves are needed for a grand purpose,
so killing them is not an option!
This is a single player tower defense game. Place guards to
knock out prisoners before they reach the exit.
Play Prison Planet Online Game. One of many Strategy Games to play online on your web browser for free at KBH Games. Tagged as Planet Games, Prison Games, Strategy Games, and Tower Defense Games. Upvoted by 36 players. Other games you might like are Escaping the Prison and GROW Planet. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.