You are a space marine trainee who is assigned to protect a corporate flag from alien invasion. Protect your flag from being captured to the greys' UFO. Collect items that are dropped from your mothership and kill the incoming aliens. The key to survive in this game is to choose the right weapon against different kinds of enemy and balance the time for picking up items and protecting the flag.
Press a to move left Press d to move right Press w to jump Press r to reload ammo Press q to swap weapon Press 1 - 6 to choose weapon Press p to pause / resume Use mouse to aim and fire