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Playstation 2 - King Of Fighters 2003 cheats

Unlock gallery items:
Win a round of Single-Survival mode against all characters

Unlock team ending:
Win a round of Team-Survival mode against all team

Unlock Adelheid: 
Play in arcade mode. When you meet Kusanagi, beat him with a 
normal move. After, beat Adelheid in the last Boss fight. Go 
to character selection screen, highlight Iori and hold R1. 

Unlock Mukai: 
Play in arcade mode. When you meet Kusanagi, beat him with a 
using a DM move. After, beat Mukai in the last Boss fight.Go 
to character selection screen, highlight Kyo and hold R1.