King of Fighters '94

Blood and Mai
from Robert Knickerbocker

At the High Scores screen press A+D on controller 1 at the same time as you press B+C on controller 2. Now go into the game and will notice blood and Mai!

King of Fighters '95

Play as Bosses
from Robert Knickerbocker

Pick team edit. At the screen where you pick your fighters hold Start and press Up+B, Right+C, Left+A, Down+D. Saishu Kusanagi and Omega Rugal will appear.

King of Fighters '96

Alternate Character Colors
from AnimeMan

When selecting your character press the D button instead of A.

King of Fighters '97

Play as KOF '94 Style Kyo Kusanagi
from AnimeMan

Highlight Kyo, hold Start, then press any button.

Play as Orochi Iori
from Vincent Laurens

At the character section screen, highlight Iori then hold START and press Left, Right, Left, Right, Left, Right, A + C.

Play as Orochi Leona
from Vincent Laurens

At the character section screen, highlight Leona then hold START and press Up, Down, Up, Down, Up, Down, B + D.

Play as Orochi New Team
from Edwin Chen (chenp@singnet.com.sg)

At the character section screen, highlight Leona then hold START and press Up, Left, Down, Right, Up, Down, B + C.

Special Endings
from Phillip Arrington (PArring247@aol.com)

To get the special ending you have to pick one of these characters.

Kyo-Shingo-(and anybody else except Iori)
Kyo-Iori-Chizuru
Kyo-Mai-Billy
Kyo-Terry-Ryo
Mai-King-Yuri
Yamazaki-Choi-Chang
Terry-Mary-Joe
Kim-Benimaru-Joe
Ralf-Clark-Athena