It was released for the Taito Type-X2 arcade system in July 2007. It is the only arcade release made for the KOF: MI series and has the inclusion of Ash Crimson, Blue Mary, Makoto Mizoguchi from Fighter s History, and newcomer Xiao Lon, who is a Hizoku Assassin like her agnate brother, Duo Lon, into its character roster. Regulation A is a remake of Maximum Impact 2, but with the classic 3 on 3 gameplay added from the 2D KOF series added in hopes of winning over the series fanbase as well as new players. Regulation A does not feature a story mode.