Space Marines

Game controls:
  •  Move
     Run
     Jump
     Crouch
     Aim/Look around
     Shoot
     Zoom
     Reload
     Pick up/Interact
     Select weapon
     Next/Previous weapon
     Slow motion
     Toggle mouse cursor
     Pause
In this futuristic game, you play as the best space marine, sent on a distant alien space station where these creatures are preparing new weapons for the Earth's invasion ... You're the last hope for humanity. Kill them all, and destroy the cores to pass each level. Do not have pity!