Nuka-World is a fictional amusement park in the video game series Fallout, specifically featured in the expansion pack for Fallout 4. Set in a post-apocalyptic world, the park was once a vibrant destination filled with attractions based on the popular Nuka-Cola beverage. Players can explore various themed areas, each offering unique quests and challenges. In Nuka-World, players encounter different factions, including the Raiders, who have taken control of the park. The expansion allows players to engage in combat, build settlements, and make choices that affect the game's outcome. The park serves as a backdrop for exploring themes of nostalgia and survival in a changed world.