Outbreak: Epidemic — a cooperative shooter with a classic survival theme among insane hordes of zombies, as seen in Killing Floor and Left 4 Dead. Four survivors must explore locations, search for notes and keys, and gather supplies to successfully withstand the avalanche of the undead. Along with various guns, the game's arsenal boasts several types of melee weapons. Additionally, there is a character leveling system through selecting bonuses as you progress through the story.