Massacre of zombies! In the near future, a zombie virus runs rampant. Sara, the special agent, receives a rescue sign from one of the laboratories then heads to the city of dead to find a vaccine.Survive the zombies. Buy and upgrade weapons and equipment to massacre zombies. Kill special zombies like zombie dogs, get unique weapons and equipment that you can’t buy from the shop. Be unbeatable using power booster and massacre zombies. Features Massacre masses of zombies. 2~4 Player online CO-OP Be unbeatable with power booster, and massacre zombies. Various special and boss zombies (zombie dog, Explosion zombie etc.) Unique weapons and equipment from special zombies that can’t buy from the shop.