Ever17 -the out of infinity- (2002/08/29 PS2, Dreamcast)
Ever17 -the out of infinity- Premium Edition (2003/05/16 Windows)
Ever17 -the out of infinity- Premium Edition for PS2/DC (2003/11/27 PS2, 2003/11/27 Dreamcast)
infinity (2000/03/23 PSX)
infinity Cure (2000/11/23 Neo Geo Pocket Colour)
Never7 ~ the end of infinity ~ (2000/12/21 Dreamcast)
Never7 ~ the end of infinity ~ [incl.extra CG etc] (2003/06/26 PS2)
Never7 ~ the end of infinity ~ for windows (2001/10/26 PC)
Remember11 -the age of infinity- (2004/03/18 PS2)