ZyX is a Japanese erotic bishà Âjo video game maker. Some of their products have been localized in North America by JAST USA under the G-Collections label, and most of them feature designs by either Masahiro Yamane or Keiji Muto.
In May 2009, ZyX was integrated into .
Games are arranged alphabetically by romaji title; modified Hepburn romanization is used.
Note: This list does not include all of the variations in the releases (CD-ROM, DVD-ROM, DVDPG ("DVD Players [sic] Game"), collections, and other reissues), only the primary games.