Valis III (ヴァリスⅢ, Varisu Surī?) is an action-platformer video game developed by Telenet Japan and originally released for the PC Engine Super CD-ROM² on September 7, 1990 in Japan. It was later released for the Sega Mega Drive/Genesis in 1991 both in Japan and North America, and for the TurboGrafx-CD in 1992 in North America. It is the third game in the Mugen Senshi Valis series and once again features Yūko Asou (麻生 優子, Asou Yūko?) as the lead character. She is also joined by her twin sister, Valna, and a young Vecanti warrior named Cham who are playable characters.