Valis: The Fantasm Soldier (夢幻戦士 ヴァリス, Mugen Senshi: Varisu, lit.”Dream Soldier: Valis”), also known as either just Valis or The Fantasm Soldier, is a video game developed by Wolf Team and published by Telenet Japan in 1986 originally for the MSX and PC-88 home computers and then ported to, remade or re-released for several over systems over the years. It is the first video game in the Valis series which stars a Japanese teenager named Yuko who uses a mystical sword called Valis to defend Earth and other worlds. Its critical reception has varied depending on the version, including critical acclaim for the 1992 PC Engine remake.