Warhammer: Vermintide is a cooperative first-person action game set in the Warhammer Fantasy universe. Players team up in groups of up to four to battle against hordes of enemies, primarily the Skaven, a race of rat-like humanoid creatures. The game emphasizes teamwork, strategy, and character progression, with each player choosing from a unique hero class. The gameplay features a mix of melee and ranged combat, with players utilizing various weapons and abilities to defeat enemies. Each level is designed with multiple paths and objectives, encouraging exploration and replayability. The game also includes a rich narrative and immersive environments that enhance the overall experience.