From SNK NEOGEO: The King of Fighters 2002 is a "gathering" of the KOF 99-01 trilogy bringing together all of the best characters from the previous games. The King of Fighters 2003 marked the beginning of a new epic saga in the KOF series. KOF 2003 also introduced SNK's now popular "Multi-Shift System" which allows for the free substitution of any team member during battle.