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. User Summary:This is the expansion of San Guo Sha, aka Killers of the Three Kingdoms. This expansion includes 52 new playing cards which divides into basic cards, equipment cards and tactic cards. All of these cards can be directly inserted into the basic game with or without any other expansions.