Zombie Army 4: Dead War is a third-person tactical shooter video game developed by Rebellion Developments. It was released for Xbox One in February 2020. As a sequel to the Zombie Army Trilogy, this game combines intense combat and sniper mechanics with the dark horror of a World War II-themed zombie apocalypse. Players can engage in the game's campaign solo or co-op with up to four players. The game features gruesome and creative zombie takedowns, a variety of weapons, and a progressive skill system that enhances playability and strategy.