The zombies are back. Featuring a larger map, more awesome guns, better and smarter enemies. Gain experience and go up ranks to unlock powerful skills. In SAS Zombie Assault 2, an online shooting game, the zombies are back! As a member of the Special Air Service (SAS) with more firepower on hand, your find. Play SAS Zombie Assault 2 for free on CrazyGames. It is one of our best Shooting games!.