7 Days to Die is an open-world game that uniquely blends elements of first-person shooter, survival horror, tower defense, and role-playing games. It presents a post-apocalyptic world overrun by the undead, where players must craft, build, and explore, while also defending against hordes of zombies. With a unique combination of combat, crafting, looting, mining, exploration, and character growth, it is designed to offer a zombie survival experience. Since its release in 2016, the game has been actively updated and expanded with new content and features.