| Sony PlayStation CD |  CT Special Forces Model SLES-03986 | 2003 | BigBen Interactive |
| PC/MS-Windows pack. | CTRacer | 2003 | Hyundai |
| Nintendo GameCube disc | Cubic Lode Runner Hudson Selection Vol.1 Model DOL-GQRJ-JPN | 2003 | Hudson Soft. Hudson Group Japan |
| Sony PlayStation 2 disc | Cubic Lode Runner Hudson Selection Vol.1 Model SLPM-62404 | 2003 | Hudson Soft. Hudson Group Japan |
| Slot Machine | Cupid | 2003 | Subsino Co., Ltd. |
| PC/MS-Windows CD | Curse - The Eye of Isis | 2003 | Wanadoo Edition |
| Nintendo GBA cart. | Cyberdrive Zoids - Kijuu no Senshi Hyuu Model AGB-AZ3J-JPN | 2003 | Tomy |
| V.R. game | Cyborg | 2003 | 3001 AD FL, USA |
| Pachinko | Cyborg 009 | 2003 | Newgin Japan |
| Slot Machine | Da Capo | 2003 | Panther |
| Pachislot | Dai Dai | 2003 | Baltec Japan |
| Pachislot | Dai Yamato | 2003 | Daido |
| PC/MS-Windows DVD | Daibanchou - Big Bang Age | 2003 | Alicesoft Japan |
| Nintendo GameCube disc | Dakar 2 - The World's Ultimate Rally | 2003 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Sony PlayStation CD | Dalmatians 2 Model SLES-04061 | 2003 | Phoenix Games |
| Sega Pico game | Dance Pico: Hashitte Odotte Chou Happy! Model HPC-6118 | 2003 | SEGA Toys |
| Sony PlayStation CD | Dance:Europe Model SLES-04129 | 2003 | BigBen Interactive |
| Sony PlayStation CD | Dance:UK Model SLES-04121 | 2003 | BigBen Interactive |
| Sony PlayStation CD | Dancing Stage Fever Model SLES-04097 | 2003 | Konami Corp. Japan |
| Nintendo GBA cart. | Dancing Sword - Senkou Model AGB-A9SJ-JPN | 2003 | MTO, Inc. Japan |
| PC/MS-Windows CD |  Darcrows Model ALS-0038A | 2003 | Alicesoft Japan |
| Nintendo GBA cart. | Daredevil Model AGB-AVLE-USA | 2003 | Amaze Ent. |
| Nintendo GBA cart. | Daredevil Model AGB-AVLP | 2003 | T-HQ, Inc. Toy HeadQuarters |
| Slot Machine | Dashing Diamonds | 2003 | Cadillac Jack Duluth, GA, USA |
| PC/MS-Windows CD | Day of Defeat | 2003 | Activision Publishing, Inc. Los Angeles, CA, USA 47875 |
| Slot Machine | Day Spa | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Days Off | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Sinclair ZX Spectrum cass. | Dead Or Alive Hb | 2003 | Cronosoft |
| Nintendo GameCube disc | Def Jam Vendetta Model DOL-GDTE-USA | 2003 | Electronic Arts CA, USA 14633 |
| Colecovision cart. | Deflektor Kollection Hb | 2003 | AtariAge |
| PC/MS-Windows CD | Delta Force - Black Hawk Down | 2003 | NovaLogic |
| Slot Machine | Dem Bones | 2003 | Aruze Corp. Japan |
| Nintendo GBA cart. |  DemiKids - Dark Version Model AGB-AC5E-USA | 2003 | Atlus USA, Inc. CA, USA |
| Nintendo GBA cart. | DemiKids - Light Version Model AGB-AL4E-USA | 2003 | Atlus USA, Inc. CA, USA |
| LeapFrog Leapster cart. | Demo - Herbst 2004 II | 2003 | LeapFrog |
| Sammy Atomiswave cart. | Demolish Fist | 2003 | Sammy Corp. Japan |
| PC/MS-Windows CD | Demolition Champions | 2003 | ValuSoft |
| Nintendo GBA cart. | Densetsu no Stafy 2 Model AGB-AVFJ-JPN | 2003 | Nintendo Co., Ltd. Japan |
| Slot Machine | Denver | 2003 | Mega |
| Slot Machine | Denver Duck and the Quest for the Golden Egg | 2003 | IGT International Game Technologies Reno, NV, USA |
