DS

Mario vs. Donkey Kong 2: March of the MinisUnlock Hidden Basement Bosses09/28/06

PlayStation

Gradius GaidenMisc. Unlockables12/07/02
Motor Toon Grand PrixGhost Races12/07/02
PO'edNo Collisions12/07/02
Riven: The Sequel to MystView Ending Sequences12/07/02
War GodsMisc. Passwords12/07/02
WarHawkSmall Heads12/07/02

TurboGrafx-16

Keith Courage in Alpha ZonesEasy Last Boss04/11/06

Xbox 360

Rock BandUnique Icons Online01/24/08
Rock Band 2Unlockable Instruments and Clothes09/25/08