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.