Tiny Troopers Joint Ops: Zombie Edition includes the ‘base game’ plus Extra content! PS4 Exclusive Zombie Campaign! Beware – you will be faced with a multitude of brain thirsty Zombies, including…Chickens! Over 50 action-packed mini-maps of mayhem! Recruit specialist mercenaries such as Machine Gunners, Medics and the Elite Delta Force to subdue enemy insurgents!