One Piece Unlimited World Red is an action-adventure game set in the One Piece universe. Players join Luffy and his crew on a quest to explore new islands, battle enemies, and complete various quests. The game features an expansive world with a blend of action, exploration, and RPG elements. Players can engage in real-time combat, utilize unique character abilities, and interact with various NPCs. It also includes cooperative multiplayer, allowing friends to join in on the adventure and tackle challenges together.