One Night Ultimate Werewolf is a social deduction game designed for 3 to 10 players. In this fast-paced game, players take on secret roles, including Werewolves, Villagers, and other unique characters. The goal is to identify the Werewolves before the night ends, while the Werewolves aim to deceive the other players and survive. Each game round lasts about 10 minutes, during which players discuss and vote on who they believe is a Werewolf. The game features a free app that guides players through the night phase and provides character abilities. With its blend of strategy and bluffing, it offers a fun and engaging experience.