Game Boy

Tail 'GatorLevel Passwords03/09/04

GameCube

F-Zero GXUnlockables08/08/03
MVP Baseball 2004Worst Player Ever03/21/04
NFL StreetPasswords01/20/04
Wario WorldUnlockables06/24/03

Genesis

TruxtonStage Select12/28/02

NES

King's KnightRevive Player02/05/03

Nintendo 64

Doraemon 3: Nobita no Machi SOS!Win The Water Race Easily06/28/03

PlayStation

Olympic Summer Games: Atlanta 1996Unlock Bonus Cycling Event07/03/03

PlayStation 2

AmplitudeUnlock Bonus Parts04/02/03
AmplitudeUnlock Bonus Songs04/02/03
K-1 World Grand Prix 2001Car Gallery12/29/02
K-1 World Grand Prix 2001Hawaii Hidden Track12/29/02
Maximo vs Army of ZinUnlock Art Galleries02/01/04
Ratchet & ClankA Few Good Unlockables09/29/03
Silent Hill 3Extra Costume Codes06/01/03
The SufferingMisc. Unlockables03/11/04
Twisted Metal: BlackUnlockable Levels02/05/03

Xbox

The SufferingAlternate Title Screen03/19/04