The King of Fighters '98 - The Slugfest / King of Fighters '98 - Dream Match Never Ends (NGM-2420, alt board)
The King of Fighters '98 - The Slugfest / King of Fighters '98 - Dream Match Never Ends (NGH-2420)
The King of Fighters '98 - The Slugfest / King of Fighters '98 - Dream Match Never Ends (Korean board, set 2)
The King of Fighters '99 - Millennium Battle (Korean release)
The King of Fighters '99 - Millennium Battle (NGM-2510)
The King of Fighters '99 - Millennium Battle (prototype)
The King of Fighters '99 - Millennium Battle (NGH-2510)
The King of Fighters '99 - Millennium Battle (earlier)
The King of Fighters '99 - Millennium Battle (Korean release, non-encrypted program)
The King of Fighters 10th Anniversary (The King of Fighters 2002 bootleg)
The King of Fighters 10th Anniversary 2005 Unique (The King of Fighters 2002 bootleg)
The King of Fighters 10th Anniversary Extra Plus (The King of Fighters 2002 bootleg)
The King of Fighters 2000 (not encrypted)
The King of Fighters 2000 (NGM-2570 ~ NGH-2570)
The King of Fighters 2001 (NGM-262?)
The King of Fighters 2001 (NGH-2621)
The King of Fighters 2002 (NGM-2650 ~ NGH-2650)
The King of Fighters 2002 (bootleg)
The King of Fighters 2002 Magic Plus (bootleg)
The King of Fighters 2002 Magic Plus II (bootleg)
The King of Fighters 2002 Plus (bootleg set 2)
The King of Fighters 2002 Plus (bootleg set 1)
The King of Fighters 2003 (NGH-2710)
The King of Fighters 2003 (Japan, JAMMA PCB)
The King of Fighters 2003 (NGM-2710)
The King of Fighters 2003 (bootleg set 1)
The King of Fighters 2003 (bootleg set 2)
The King of Fighters 2004 Plus / Hero (The King of Fighters 2003 bootleg)
The King of Fighters 2004 Ultra Plus (The King of Fighters 2003 bootleg)
The King of Fighters Neowave
