Fight as Orochi Iori:
Highlight Iori, then hold Start and press Left, Right, Left, Right, Left, Right, Left, Right, Left, Right, X + A at the character selection screen. Orochi Iori will appear below and left of Iori.

Fight as Orochi Leona:
Highlight Leona, then hold Start and press Up, Down, Up, Down, Up, Down, Up, Down, Up, Down, Y + B at the character selection screen. Orochi Leona will appear below and right of Yabuki.

Enable Orochi New Face Team:
Enable either the "Fight as Orochi Iori" or "Fight as Orochi Leona" codes. Highlight Leona, then hold Start and press Up, Left, Down, Right, Up, Down, X + B at the character selection.

Fight as Orochi:
Complete practice mode and enable Orochi Iori, Orochi Leona, and Orichi New Face Team. Highlight Orichi Chris and press L + R + Y + Z + B at the character selection screen.

Fight as classic Kyo Kusanagi:
Highlight Kyo Kusanagi, hold Start, then press any button.

View ending sequences:
Complete the game under any difficulty setting and use the "Demo Select" item on the options screen.

Kusanagi and Yagami special ending sequence:
Fight with the Kyo, Chizuru Kagura and the normal Iori Yagami. Defeat Orochi to see a special ending that reveals Kyo and Iori were from the same clan.

King Of Fighters '94 Girl Team ending sequence:
Complete the game with Mai Shiranui, Yuri, and King

Fire Team ending sequence:
Complete the game with Kyo, Ryo, and Terry