UNAUTHORIZED PRODUCTION The information that BGG has on this item indicates that San Guo Sha is an unauthorized reproduction of BANG! with just a few differences, published in China and distributed in several coutries of the world. Killer of Tokyo Ghoul is a game based on the game Legends of the Three Kingdoms (a.k.a. San Guo Sha), and shares many rules with BANG! The players play cards to try to eliminate the other players, and win if only players of their own team are still in play. The game has the theme of the Tokyo Ghoul anime.