This game is a submission for Ludum Dare 40. View all gamesView submission

A downloadable game

How to Play

Collect the glowing crystals and place them in the portal while blasting away at alien bugs. But be careful! The more crystals you have the more aliens will come after you and when you place the crystals in the portal they will get angry.


  • W - Move forward
  • S - Move Backward
  • A & D - Rotate
  • Left Mouse - Shoot
  • SPACE - Place Crystal in Portal
  • E - Drop Crystal


Crystalien.jar 11 MB
Crystalien Post Jam Version.jar 12 MB