The online game Combat Instinct is a free game to play on PC, Mac or Laptop computers. You can read the game comments below on Combat Instinct, which may contain cheats and tricks, cheat codes, tips and full game solutions. You can play Combat Instinct for free on Internet, or download this game on your computer to play it off-line you are being exposed to extreme radiation. Find a decontamination chamber within 200 seconds! Every destroyer of our fleet contains one. As usual, there are some aliens who want to fry your ass. So watch out!