Originally released for the Taito G-NET arcade board,[1] and later ported to the PlayStation 2, Xbox 360, and PC.

Digital Bros published the port in Europe; however, the game was not released in the USA.

XIIZEAL is a port of XII Stag released in 2007 for the Windows Mobile platform.

It includes 5 difficulty settings from very easy to very hard, as well as the original soundtrack.

DeltaZeal was originally as G-Stream G2020 by Oriental Soft, which was developed by future Triangle Service programmer and founder Toshiaki Fujino.