King Of Fighters 2000 Cheats

Successfully complete the game in any mode with a difficulty setting of 8 to unlock the King Of Fighters '99 introduction sequence at the "Memory" screen.

King Of Fighters '99 Introduction Sequence:
To unlock the King of fighters '99 introduction sequence at the Memory screen successfully complete the game in any mode with a difficulty setting of 8.
King Of Fighters 97 Introduction Sequence:
Choose any fighter and successfully complete single play mode with at least 200 ability points to unlock the King of fighters '97 introduction sequence at the Memory screen.

Unlock all the hidden strikers (Heavy D, Lucky, Brian, Orochi Iori, Orochi Leon, Krauser, Mr. Big, Heidern, Orochi, and Krizalid). Then, press Up + Circle at the fighter order selection screen in versus or practice modes.