In 21XX, due to global warming, most of the North Pole melted and unknown microorganisms spread around the world. One of the microorganisms spread a highly contagious virus, causing a fatal disease in humans. This disease erased people's reason and turned them like zombies... You must find survivors with special weapons to form your team, search for hidden supplies and artifacts, and survive to the end. [ Let's join colleagues! ] As you explore the map or complete achievements, you can meet many companions. Create a team of 5 people and create your own special combination. Normal Weapon: Capable of rapid fire or multiple shots to attack enemies. Regular weapon bullets can trigger headshots that instantly kill enemies. Melee Weapon: Attacks all enemies at close range. Although the range is short, it can attack all enemies within close range and can result in headshots. Flame Weapon: When you attack an enemy with a flame weapon, the enemy is engulfed in flames for...