Choose wining posture  -  Before the victory pose has begins, press A, B or C. (Note: To choose the CPU victory pose, hold A, B or C on the idle controller.) 

Fight as Orochi  -  Enable “Orochi characters” code. Then press L2 + R2 at the character selection screen in Versus or Practice modes. 

Fight as classic Kyo  -  Highlight Kyo at the character selection screen and press Start + Triangle to fight as Kyo from King of Fighters ’94. 

Orochi characters  -  Repeatedly press L1 + R1 at the character selection screen in any game mode. Orochi Lori, Orochi Leonna, Orochi Chris, Orochi Yashiro, Orochi Shermie will be selectable next to Shingo.

Gameshark codes

Infinite Energy P1 (Press L1) D00CC2E2 FBFF  800C2748 0067  D00CC2E2 FBFF  800C2762 0067
Max Special Power P1 (Press L2) D00CC2E2 FFFF  800C27E8 03FF
Infinite Energy P2 (Press R1) D00CC2E2 F7FF  800C2910 0067  D00CC2E2 F7FF  800C292A 0067
Max Special Power P2 (Press R2) D00CC2E2 FDFF  800C29B0 03FF
Infinite Time 800C35AA 5900
Slow Motion (Press R1+R2) D00CC2E2 F5FF  8009D1F8 35CA
Use Special Attack in Air P1 800C26FC 9010
Max Special Gauge P1 3009D9C2 0001
Max Special Gauge P2 3009D9C3 0001
Secret Ending Demo 8009DA24 0102
Easy Special Attack P1 800C7180 0A08  800C7182 0602  800C7184 0804  800C7186 020A  300C7188 0006
Easy Special Attack P2 800C7398 0604  800C739A 0A02  800C739C 0408  800C739E 0206  300C73A0 000A