The King of Fighters '95 Cheats:






Unlockable Characters
Pick team edit. At the fighters selection screen, hold down to the Start button and press Up + B, Right + C, Left + A, Down + D to play As Saishu Kusanagi and Omega Rugal.





 












The King of Fighters '96 Cheats:



Unlockable Characters
Hold down the Start button while choosing your character to unlock alternate characters.








Unlockable Endings
The following team combinations will unlock special endings:





Kyo - Iori - Chizuru














The King of Fighters '97 Cheats:



Different players
To enable the codes highlight Leona at the character selection, then hold Start and press Up, Left, Down, Right, Up, Down, B + C . 

Code	Effect
Play As Orochi Iori	At the character section screen, highlight Iori. Hold down the Start button and press Left, Right, Left, Right, Left, Right, A + C.
Play As Orochi Leona	At the character section screen, highlight Leona. Hold down the Start button and press Up, Down, Up, Down, Up, Down, B + D.
Play as Orochi team	Enable either the Orochi Iori or Orochi Leona codes. Highlight Leona, then hold Start and press Up, Left, Down, Right, Up, Down, B + C at the character selection. <BR>
Yashiro, Shermie, Chris-Orochi team	On the character selection screen hold Start and press up, left, down, right, up, down then B,C. <BR>They should appear on the bottom. The 'Play as Orochi Iori' or 'Play as Leona' code should be done first for this one to work
Play as Orochi Iori	Place the cursor on Iori and hold START. Then input the following code: left, right, left, right, left, right + AC. Orochi Iori will appear underneath Iori.
KOF'94 Kyo	Highlight Kyo, hold down the Start button, and press any button
Play as Orochi Leona	Place the cursor on Leona and hold START. Then input the following code: down, up, down, up, down, up + BD. Orochi Iori will appear below Shingo.

Unlockable Endings

The following team combinations will unlock special endings:



Kyo-Iori-Chizuruu



Kyo-Mai-Billy



Kyo-Terry-Ryo



Mai-King-Yuri



Yamazaki-Choi-Chang



Terry-Mary-Joe



Kim-Benimaru-Joe



Ralf-Clark-Athena

Winning Pose

You can press any button after beating an opponent to strike a winning pose. Each button gives a different pose.