DS

Resident Evil: Deadly SilenceUnlock Characters in Multiplayer01/23/06
Resident Evil: Deadly SilenceUnlock Rocket Launcher in maingame.01/25/06

Nintendo 64

Resident Evil 2Unlock Randomizer Option12/29/01

PC

Resident EvilGet the MAC11 or the INGRAM12/28/01
Resident Evil 3: NemesisGet New Weapons and Infinite Bullets in the Game12/28/01

PlayStation

Catan: Die Erste InselUnlock Scenarios for Multiplayer.10/15/07
Medal of HonorMission Select11/05/01
Nightmare CreaturesMisc. Passwords10/03/00
Resident EvilMisc. Unlockables12/29/01

PlayStation 2

Broken Sword: The Sleeping DragonUnlock Extras11/24/03
Resident Evil Survivor 2: Code: VeronicaUnlockables02/27/02
YakuzaUnlock Premium Box12/26/05

Wii

Resident Evil Archives: Resident EvilUnlock Costumes,Weapons and Game Modes01/12/09
Resident Evil Archives: Resident Evil ZeroGame Unlockables07/18/08
Resident Evil Archives: Resident Evil ZeroLeech Hunter minigame rewards07/18/08