| Nintendo GBA cart. |  All Grown Up! Express Yourself Model AGB-BALE-USA | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | All Grown Up! Express Yourself Model AGB-BALP | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Sony PlayStation CD | All Music Dance! Model SLES-04162 | 2004 | BigBen Interactive |
| Slot Machine | All Samba | 2004 | Unknown Korea |
| Medal video game | All Samba Special Edition | 2004 | Unknown Korea |
| Slot Machine | All That Joker | 2004 | Sammy Corp. Japan |
| Slot Machine | All the Way to the Bank | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Allan Quatermain - Riches of the Pharaoh 3-reel | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Allan Quatermain - Riches of the Pharaoh 5-reel | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Pachislot | Alley Gallery | 2004 | JSI |
| Medal video game | Allinx | 2004 | Unknown Korea |
| Slot Machine | Aloha | 2004 | Subsino Co., Ltd. |
| Atari Lynx cart. | Alpine Games Hb | 2004 | Duranik |
| PC/MS-Windows CD | Alpine Skiing 2005 | 2004 | RTL Playtainment |
| Slot Machine | Always Hot | 2004 | AGI Austrian Gaming Industries Novomatic Group |
| Nintendo GameCube disc |  Amazing Island Model DOL-GKAE-USA | 2004 | SEGA of America, Inc. San Francisco, CA, USA |
| Medal video game | Ambition | 2004 | Unknown Korea |
| PC/MS-Windows CD | American Chopper | 2004 | Activision Publishing, Inc. Los Angeles, CA, USA 47875 |
| PC/MS-Windows CD | Amorous Professor Cherry | 2004 | ZyX Japan |
| PC/MS-Windows CD | Anata to Mita Sakura ~Shimaizuma~ | 2004 | 13cm Japan |
| Pachislot | Anazai Hiroko - Ougon no Hihou | 2004 | Mizuho Corp. Aruze Group Japan |
| Nintendo GBA cart. | Angel Collection 2 - Pichimo ni Narou Model AGB-BECJ-JPN | 2004 | MTO, Inc. Japan |
| Nintendo GameCube disc | Animal Crossing Model DOL-GAFP-EUR | 2004 | Nintendo Co., Ltd. Japan |
| Slot Machine | Animal Party | 2004 | Subsino Co., Ltd. |
| Coleco Adam disk | ANN Disk - 2004-01 - E.O.S. Files | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-02 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-03 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-04 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-05 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-06 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-07 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-08 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-09 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-10 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-11 - NIAD BNDV 21 | 2004 | ADAM News Network |
| Coleco Adam disk | ANN Disk - 2004-12 - X-Mas Card | 2004 | ADAM News Network |
| Slot Machine | Anniversary Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Pachinko | Antonio Inoki Toiuna no Pachinko ki | 2004 | Heiwa Japan |
| Video Slot Machine | Antony and Cleopatra | 2004 | Aristocrat Leisure Industries Pty, Ltd. |
| Sony PlayStation 2 disc | Anubis - Zone of the Enders - Special Edition Model SLPM-84075 | 2004 | Konami Computer Ent. Japan |
