Kojou is a multiplayer and co-op social deduction game in which players must work together to identify the killer among them before time runs out. The game combines elements of action, adventure, stealth, and role-playing, requiring players to investigate, strategize, and deceive to succeed. In this game, players are staying overnight in Kojou castle, where one among them is secretly a murderer. The players must uncover the killer's identity while avoiding becoming victims themselves, creating a tense and immersive experience. It stands out with its blend of horror, mystery, and stylized visuals, offering advanced gameplay elements such as investigation mechanics, online co-op, and multiplayer PvP modes. The game emphasizes teamwork, deception, and quick thinking, making each session unpredictable and engaging.