| Slot Machine |  VooDoo Magic | 2003 | Aruze Corp. Japan |
| Slot Machine | Wheel Bert | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wheel of Fortune - Special Edition - Triple Action | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Who's Who in the Zoo? | 2003 | Stargames, Ltd. Australia |
| Slot Machine | Wild Arrow - Multi Free | 2003 | Konami Corp. Japan |
| Slot Machine | Wild for Dolphins | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wild Magic | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Wild Savanna Model RVN-05-002 | 2003 | Dragon Co., Ltd. |
| Slot Machine | Wild Thing! Cowgirl | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wild Threesome Red White & Blue | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wild Wizard | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Wild! Double Strike 3-Reel | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wild! Double Strike 5-Reel | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Winning for Dummies | 2003 | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Winning Smile | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Winplay | 2003 | Bally Wulff |
| Slot Machine | Winplay SL | 2003 | Bally Wulff |
| Slot Machine | World Seven II | 2003 | Unknown Korea |
| Slot Machine | X-Tra Hot 777 | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Yajyu | 2003 | Rodeo Corp. Japan |
| Slot Machine | Yellow River | 2003 | Octavian Italy srl Bussolengo, VR, Italy |
| Sega NAOMI GD-ROM | Border Down Model GDL-0023 | 2003 | G.Rev |
| Sega NAOMI GD-ROM | Guilty Gear XX #Reload Model GDL-0019 | 2003 | Sammy Corp. Japan |
| Sega NAOMI GD-ROM | Psyvariar 2 - The Will To Fabricate Model GDL-0024 | 2003 | Success Japan |
| Sega NAOMI GD-ROM | Shakatto Tambourine 4ever | 2003 | SEGA Corp. |
| Sega NAOMI GD-ROM | Shikigami no Shiro II Model GDL-0021 | 2003 | Alfa System |
| Sega NAOMI GD-ROM | Shootout Pool Prize | 2003 | SEGA Corp. |
| Sega NAOMI GD-ROM | Usagi Yasei no Topai - Yamashiro Mahjong Compilation Model GDL-0022 | 2003 | Warashi, Inc. |
| Sega NAOMI cart. | MushiKing - The King of Beetle 2K3 2nd Model 840-0150C | 2003 | SEGA Corp. |
| Sega NAOMI cart. | Puyo Puyo Fever | 2003 | SEGA Corp. |
| Sega NAOMI cart. | Soreike! Anpanman Popcorn Koujou 2 | 2003 | SEGA Corp. |
| IGS PGM cart. | Ketsui - Kizuna Jigoku-tachi | 2003 | Cave Co., Ltd. Japan |
| IGS PGM cart. | Shen Jian | 2003 | IGS Co., Ltd. International Game System |
| IGS PGM cart. |  The Gladiator | 2003 | IGS Co., Ltd. International Game System |
| IGS PGM cart. | The Road of The Sword | 2003 | IGS Co., Ltd. International Game System |
| Seta Aleck64 cart. | Chameleon RX-1 | 2003 | Digital Sunnil |
| Seta Aleck64 cart. | Donchan Puzzle Hanabi de Doon! | 2003 | Aruze Corp. Japan |
| Seta Aleck64 cart. | Tower & Shaft | 2003 | Aruze Corp. Japan |
| Taito G-Net card | Kollon | 2003 | Taito Corp. Japan |
| Taito G-Net card | Space Invaders Anniversary | 2003 | Taito Corp. Japan |
