Play any type of Game at Y8.com. The biggest Game Collection to play free online. Flash, Unity 3D, Html5, Android, Java and Shockwave.
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
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.
This game is played with mouse only.