Ys titles appear on the MSX2, Sega Master System, Sega Mega Drive, Famicom, Super NES, PC, PlayStation 2, PC Engine/TurboGrafx-16 CD-ROM, and cellular phone. "Y's", arises from a typographical error in the packaging of the ... Ys VI: Napishtim No Hako or The Ark of Napishtim graphically departed from its predecessors, using three-dimensional graphics and hack-and-slash gameplay. The Turbo-Grafx games (particularly Books I and II) are considered the best of the series by ...