Koei Tecmo (Koei Tecmo, Koei Tecmo) is a game company in Japan, established in 2009, headquartered in Yokohama, by Koei Co., Ltd. (Koei) merged with Tecmo. The games produced by Guangrong Company include the "Three Kingdoms" series and the "Dynasty Warriors" series, etc. The games produced by Tecmo Company include the "Ninja Gaiden" series and the "Dead or Alive" series, etc.