Romance of the Three Kingdoms (三國志 Sangokushi, lit. "Records of the Three Kingdoms") is a series of turn-based tactical role-playing simulation grand strategy wargames produced by Koei. Originating from Japan in 1985, thirteen installments of the game have been published in Japan, Taiwan, China, South Korea and North America to date. While the game's title as it was released in English refers to the historical novel Romance of the Three Kingdoms (三國演義) by Luo Guanzhong, the title as it was released in Japan and Chinese regions refers to the historical text Records of the Three Kingdoms (三國志) by Chen Shou.