King Of Fighters 2002/2003 cheats and cheat codes for XBox

KING OF FIGHTERS 2002:

Unlock Orochi Iori:
Finish level 20 in the time attack challenge. Then, hold R trigger while 
choosing Iori at the fighter selection screen to fight as Orochi Iori. 

Unlock Goenitz:
Finish level 30 in the time attack challenge. Then, hold R trigger while 
choosing Rugal at the fighter selection screen to fight as Goenitz. 

Unlock Geese:
Finish level 40 in the time attack challenge. Then, hold R trigger while 
choosing Billy at the fighter selection screen to fight as Geese.

Unlock Kusanagi:
Hold R trigger while choosing Kyo at the fighter selection screen to 
fight as Kusangi. 

Unlock Orochi Chris:
Hold R trigger while choosing Chris at the fighter selection screen 
to fight as Orochi Chris. 

Unlock Orochi Shermie:
Hold Rtrigger while choosing Shermie at the fighter selection screen 
to fight as Orochi Shermie. 

Unlock Orochi Yashiro:
Hold R trigger while choosing Yashiro at the fighter selection screen 
to fight as Orochi Yashiro.

Unlock Shingo:
Finsh the team attack challenge to fight as Shingo. 

Unlock King:
Finish the single attack challenge to fight as King. 

Random character select:
Hold Black at the fighter selection screen. 

KING OF FIGHTERS 2003:

Fight as Adelheid: 
Play in arcade mode until you reach Kusanagi and beat him using a normal 
move. After, beat Adelheid in the last Boss battle. Then, go to the 
fighter selection screen and highlight Iori and hold R. 

Fight as Mukai: 
Play in arcade mode until you reach Kusanagi and beat him using a DM move. 
After, beat Mukai in the last Boss battle. Then, go to the fighter 
selection screen and highlight Kyo and hold R. 

Gallery items: 

Unlock individual character art in the gallery:
Play in Single Survival (S-Survival) mode and win one round against 
each fighter.

Unlock the team endings in the gallery:
Play in Team Survival (T-Survival) mode and win one round against 
each team.