Dark Arena - Platform: Gameboy Advance
      
Special Passwords
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All keys            KNGHTSFR  
All maps            LMSPLLNG  
All weapons         THRBLDNS  
Unlimited ammo      NDCRSDRT  
Unlimited health    HLGNDSBR  
Level skip          NFTRWLLH  
Sound effects test  CRSDR  
God mode            NRYRDDS  

Disable Special Passwords S X N 

Cheat mode
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Enter NRYRDDS as a password. Then enter the codes.

All keys            KEYS 
All maps            MAPS 
All weapons         WEAPONS 
Unlimited ammo      AMMO 
Unlimited health    HEALTH 
Level skip          SKIP 
Sound effects test  SFX 
God mode            ALL