"Day Before" is a survival video game set in a post-apocalyptic world overrun by zombies and hostile survivors. Players explore a vast open world, scavenging for resources, crafting items, and fighting enemies to stay alive. The game emphasizes realism, requiring players to manage their health, hunger, and thirst while navigating through dangerous environments. The game features a multiplayer aspect, allowing players to team up with friends or other players online. With a focus on survival mechanics and immersive gameplay, "Day Before" aims to create a tense atmosphere as players strive to survive in a world filled with threats from both the environment and other survivors.