Set in a brutally unforgiving post-apocalyptic world overrun by the undead, 7 Days to Die is an open-world game that is a unique combination of first person shooter, survival horror, tower defense, and role-playing games. About This Game HOW LONG WILL YOU SURVIVE?With over 12 million copies sold, 7 Days to Die has defined the survival genre, with unrivaled crafting and world-building content.