KOF: Maximum Impact 2, released in North America as The King of Fighters 2006, is a 3D competitive fighting game produced by SNK Playmore and released for the PlayStation 2 in 2006. It is also released for the Arcades under the title The King of Fighters 2006: Regulation A. It is the sequel to The King of Fighters: Maximum Impact, which itself was a spinoff of The King of Fighters series.
Many contended that the illegal fighting tournament in Southtown was sponsored by the gangland syndicate "Mephistopheles" to achieve the annihilation of their rivals and procure some operating capital. After its "King," Duke, suffered defeat at the hands of Alba Meira in the finals, he and his organization vanished from Southtown. Meanwhile, the media, firmly under Duke's control, released a fusillade of sensational exposés based on information from confidential sources regarding their former oppressors. In spite of this new torrent of "information," almost no one knew that an even larger entity had been pulling Mephistopheles' puppet strings.
The King of Fighters: Maximum Impact is a fighting game for the PlayStation 2, produced by SNK subsidiary Noise Factory and published by SNK Playmore in 2004–2005. An enhanced version was released for Xbox and PlayStation 2 under the title KOF: Maximum Impact — Maniax. The King of Fighters: Maximum Impact Regulation "A" was released for Taito Type X2 on July 14, 2007 and for PlayStation 2 on July 26, 2007 and only in Japan.
Marketed as a spinoff of SNK's major fighting series The King of Fighters, whence many of its characters originate, KOF: Maximum Impact also contains elements of the Fatal Fury and Art of Fighting series. KOF: Maximum Impact is the first 3D fighter made by SNK since 1990s era's Fatal Fury: Wild Ambition and lastly, Samurai Shodown: Warriors Rage for the PlayStation. The game was followed by KOF: Maximum Impact 2.
While the version released in the U.S. featured an English dub that was met with much derision (with IGN's Jeremy Dunham going so far as to label it "piss poor"), further releases for the Xbox and European PS2 add a choice of English and Japanese language options. The Xbox version also includes an online match mode where matches can be fought between players via Xbox Live.