SAS: Zombie Assault 4 v1.3.1 Mod Apk (Unlimited Money) stop the spreading of a virus that turns whole planets into zombies. Land on afflicted planet and destroy the creatures. In this Android game zombies tend to be attacking from all sides. Constantly maneuver around the area and use different shelters. Shoot non stop. Build an income and buy armor, weapons, first aid kits, and so on for ones herpes. Get valuable trophies with battle. Join other 3 players and beat complex missions. Return undead towards grave and save humanity through destruction!