| Pachinko |  Kurun Kurun | 2003 | Ginza Japan |
| Arcade Video game | Kyokyoku Hana no Mai Deluxe | 2003 | Techno-Top, Ltd. Japan |
| LeapFrog Leapster cart. | La Conquista de los Números | 2003 | LeapFrog |
| Sky Gamestar game | Lara Croft Tomb Raider - Apocalypse: Episode 2 - The Shadow Falls | 2003 | Sky Games |
| Sky Gamestar game | Lara Croft Tomb Raider - Apocalypse: Episode 3 - The Last Midnight | 2003 | Sky Games |
| Sinclair ZX Spectrum+3 disk | Las Aventuras de Pepe Trueno Hb | 2003 | Rockersuke Moroboshi |
| PC/MS-Windows CD | Law & Order II - Double or Nothing | 2003 | DreamCatcher Interactive |
| LeapFrog Leappad cart. | Leap 1 - Reading - Disney/Pixar Finding Nemo | 2003 | LeapFrog |
| LeapFrog Leappad cart. | Leap's Pond - Activity & Game Book | 2003 | LeapFrog |
| LeapFrog Leappad cart. | LeapPad Interactive Book | 2003 | LeapFrog |
| Dedicated Console | Leapster | 2003 | LeapFrog |
| LeapFrog Leapster cart. | Learning with Leap | 2003 | LeapFrog |
| PC/MS-Windows CD | Legacy of Kain - Defiance | 2003 | Eidos Interactive |
| Microsoft XBOX disc | Legacy of Kain - Defiance | 2003 | Unknown |
| Nintendo GBA cart. | Legend of Dynamic Goushouden - Houkai no Rondo Model AGB-AVDJ-JPN | 2003 | Banpresto Japan |
| Sony PlayStation CD | Legend of Mulan Model SLES-04145 | 2003 | Phoenix Games |
| Sony PlayStation 2 disc | Legends of Wrestling II Model SLES-51045 | 2003 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Slot Machine | Lemon Lime Twist | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| LeapFrog Leapster cart. | Lernen mit Leap | 2003 | LeapFrog |
| PC/MS-Windows DVD | Les Chairs Cruelles - Aishiau Touhi no Naka de 18 | 2003 | Alicesoft Japan |
| Nintendo GBA cart. | Les Razmoket rencontrent les Delajungle | 2003 | T-HQ, Inc. Toy HeadQuarters |
| PC/MS-Windows CD | Let's Ride! Champions Collection | 2003 | ValuSoft |
| LeapFrog Leapster cart. | Letter Factory | 2003 | LeapFrog |
| PC/MS-Windows CD | Level Justice 18 | 2003 | Softhouse Chara Japan |
| Slot Machine | Lifestyles of the Rich and Famous | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Lightning $ - Double Strike | 2003 | Rocket Gaming Systems |
| Slot Machine | Limbo | 2003 | Bally Wulff |
| PC/MS-Windows CD | Line of Sight - Vietnam | 2003 | Infogrames, Inc. NY, USA 22242 |
| Pachislot | Linear Flash | 2003 | Oizumi |
| Pocket PC soft. | Links - Pocket PC Edition | 2003 | Unknown |
| Microsoft XBOX disc | Links 2004 | 2003 | Unknown |
| Sony PlayStation CD | Lion and the King 2 Model SLES-04065 | 2003 | Phoenix Games |
| PC/MS-Windows CD | Lionheart - Legacy of the Crusader | 2003 | Interplay |
| Arcade Video game | Live King | 2003 | Unknown Korea |
| Slot Machine | Livin' Large | 2003 | IGT International Game Technologies Reno, NV, USA |
| Nintendo GBA cart. | Lizzie McGuire - On the Go! Model AGB-BLME-USA | 2003 | Disney Interactive |
| Nintendo GBA cart. | Lizzie McGuire Model AGB-BLMP | 2003 | T-HQ, Inc. Toy HeadQuarters |
| PC/MS-Windows CD | Lock On - Modern Air Combat | 2003 | Ubisoft Ent. Montreuil sous Bois, France |
| Nintendo GBA cart. | Lode Runner Model AGB-A39J-JPN | 2003 | Success Japan |
| Nintendo GBA cart. | Looney Tunes - Back in Action Model AGB-BLTE-USA | 2003 | EA Games Electronic Arts, Inc. |
