Game Boy

Dragon Ball Z: Goku GekitoudenUnlock Characters in Tenkaichi Boudouki Mode12/31/02
Dragon Ball Z: Goku HishoudenUnlock Characters in Tenkaichi Boudouki Mode05/09/03
Faceball 2000Warp To Level 2004/09/03
Great GreedUnlockables05/09/03

Game Boy Advance

Boktai: The Sun Is in Your HandUnlockables10/03/03
Castlevania: Aria of SorrowUnlockables05/06/03
Dragon Ball Z: Supersonic WarriorsSecret Final Battles03/30/04
Dragon Ball Z: The Legacy of Goku IIAlternative Ending06/18/03
Dragon Ball Z: The Legacy of Goku IIUnlock Mr. Satan (Hercule)06/18/03
Medarot NaviUnlockables06/01/03
Naruto: Ninja CouncilUnlockables05/03/03

NES

1943: The Battle of MidwaySuper Shot04/09/03
Casino Kid IIRoulette Predictions04/09/03
Over HorizonCodes04/09/03

PlayStation 2

Castlevania: Lament of InnocenceItem Duplication - Pagoda Of The Misty Moon (US Version)11/16/03
Cy GirlsUnlockables04/13/04
Dragon Ball Z: Budokai 2Unlockables11/17/03

Super Nintendo