A "Zombie Game" is a genre of video games where players take on the role of surviving in a world overrun by zombies. These types of games typically involve fighting off hordes of undead creatures while scavenging for resources and building defenses to protect oneself or other survivors. The goal is often to stay alive as long as possible, while also completing missions or objectives that further the storyline. Some popular examples of zombie games include "Left 4 Dead," "Dead Rising," and "The Walking Dead: Survival Instinct."