Ys (1989/11/21-1991/09/05 OVA)
Ys - Tenkuu no Shinden ~Adol Christin no Bouken~ (1992/12/16-1993/07/21 OVA)
Ys I-II (1989/12/21 PC ENGINE)
Ys I-II ETERNAL STORY (2003/08/07 PS2)
Ys III (1991/03/22 PC ENGINE)
Ys III -WANDERERS FROM Ys- (2005/03/24 PS2)
Ys IV -The Dawn of Ys- (1993/12/22 PC ENGINE)
Ys -THE ARK OF NAPISHTIM- [Ys VI] (2005/03/10 PS2)