| Slot Machine |  Action Money Classic Blend Series | 2003 | EGT Euro Games Technology, Ltd. Bulgaria |
| Nintendo GBA cart. | Activision Anthology Model AGB-BAVE-USA | 2003 | Activision Publishing, Inc. Los Angeles, CA, USA 47875 |
| Sony PlayStation 2 disc |  Activision Anthology Model SLES-51313 | 2003 | Activision Publishing, Inc. Los Angeles, CA, USA 47875 |
| PC/MS-Windows CD | Adiboo & Paziral's Secret | 2003 | Vivendi Universal Games, Inc. |
| Sony PlayStation CD | Adiboo & Paziral's Secret Model SLES-04108 | 2003 | Vivendi Universal Games, Inc. |
| Video Slot Machine | Adults Only | 2003 | Extrema Intersystems |
| Nintendo GBA cart. | Advance Wars 2 - Black Hole Rising Model AGB-AW2E-USA | 2003 | Nintendo of America, Inc. USA 45496 |
| Nintendo GBA cart. | Advance Wars 2 - Black Hole Rising Model AGB-AWZP | 2003 | Nintendo Co., Ltd. Japan |
| PC/MS-Windows CD | Advanced Daisenryaku IV | 2003 | SEGA Corp. |
| Atari 2600 cart. | Adventure Plus Hb | 2003 | Unknown |
| Nintendo GBA cart. | Aero the Acro-Bat - Rascal Rival Revenge Model AGB-AAOP | 2003 | Zoo Digital Publishing |
| PC/MS-Windows CD | Age of Mythology - The Titans | 2003 | Microsoft |
| PC/MS-Windows CD | Age of Wonders - Shadow Magic | 2003 | Gathering of Developers, Inc. |
| Sony PlayStation 2 disc | Ai yori Aoshi Model SLPS-25224 | 2003 | KID Kindle Imagine Develop |
| Sony PlayStation 2 disc | Ai yori Aoshi Model SLPS-25225 | 2003 | KID Kindle Imagine Develop |
| Sega Dreamcast GD | Aikagi - Hidamari to Kanojo no Heyagi Model T-20130M | 2003 | Nec InterChannel, Ltd. Japan |
| Sega Dreamcast GD | Aikagi - Hidamari to Kanojo no Heyagi Model T-20131M | 2003 | Nec InterChannel, Ltd. Japan |
| Slot Machine | Air | 2003 | Mega |
| Medal video game | Aladdin Gold | 2003 | Unknown Korea |
| Slot Machine | Aladdin Gold-S | 2003 | Unknown Korea |
| PC/MS-Windows CD | Alex Ferguson's Player Manager 2003 | 2003 | Ubi Soft Ent., Ltd. Wimbledon, England 362930 |
| Slot Machine | Alien | 2003 | IGT International Game Technologies Reno, NV, USA |
| Redemption video game | All Face Poker | 2003 | SemiCom Seoul, Korea |
| Slot Machine | All or Nothing | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | All or Nut'n Keno | 2003 | IGT International Game Technologies Reno, NV, USA |
| Sony PlayStation CD | All Star Action Model SLES-04107 | 2003 | Phoenix Games |
| Sony PlayStation CD | All Star Boxing Model SLES-03958 | 2003 | Midas Int. Ent. |
| Sony PlayStation CD | All Star Racing 2 Model SLES-03933 | 2003 | Midas Int. Ent. |
| Sony PlayStation CD | All Star Racing 2 Model SLUS-01510 | 2003 | Mud Duck Productions |
| Sony PlayStation CD | All Star Tennis - Midas Touch Model SLES-03963 | 2003 | Midas Int. Ent. |
| Sony PlayStation CD | All Star Watersports Model SLES-04060 | 2003 | Phoenix Games |
| Nintendo GameCube disc | All-Star Baseball 2004 | 2003 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo GBA cart. | All-Star Baseball 2004 - Featuring Derek Jeter Model AGB-AA7E-USA | 2003 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Slot Machine | Allan Capone | 2003 | Compu-Games A.S. Esbjerg, Denmark |
| Medal video game | Allstar | 2003 | Unknown Korea |
| Sinclair ZX Spectrum cass. | Alma De Guerrero Hb | 2003 | Beyker Soft |
| PC/MS-Windows CD | American Conquest - Fight Back | 2003 | CDV Soft. Ent. USA, Inc. |
| Slot Machine | American Eagle Model CN9411-009 | 2003 | Dragon Co., Ltd. |
| Slot Machine | American Eagle Model MB91C1 | 2003 | Dragon Co., Ltd. |
| Nintendo GBA cart. | American Idol Model AGB-BIDE-USA | 2003 | Codemasters Soft. Co., Ltd., The 015026 |
