| Video Slot Machine |  Carriage Bonus 2003 | 2003 | Unknown |
| LeapFrog Leapster cart. | Cars - Supercharged | 2003 | LeapFrog |
| Nintendo GBA cart. | Cartoon Network Speedway Model AGB-ANRE-USA | 2003 | Majesco Sales, Inc. |
| Slot Machine | Cash Cow | 2003 | Rocket Gaming Systems |
| Slot Machine | Cash Crate Bay | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Cash Crossing | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Cash Eruption | 2003 | GTech Corp. Providence, RI, USA |
| Slot Machine | Cash Inferno | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Cashball | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Cashsquatch | 2003 | GTech Corp. Providence, RI, USA |
| Medal video game | Casino King V Plus | 2003 | Limenko, Ltd. Seoul, Korea |
| Medal video game | Casino Lupin | 2003 | Unknown Korea |
| Slot Machine | Casino Win | 2003 | Bally Wulff |
| Sinclair ZX Spectrum cass. | Castillo Maldito Hb | 2003 | Beyker Soft |
| Atari XE cart. | Castle Crisis Hb | 2003 | AtariAge |
| Nintendo GBA cart. | Castlevania - Akatsuki no Minuet Model AGB-A2CJ-JPN | 2003 | Konami Corp. Japan |
| Nintendo GBA cart. | Castlevania - Aria of Sorrow Model AGB-A2CE-USA | 2003 | Konami of America CA, USA |
| Nintendo GBA cart. | Castlevania - Aria of Sorrow Model AGB-A2CP | 2003 | Konami Corp. Japan |
| Nintendo GameCube disc | Castleween | 2003 | Wanadoo Edition |
| Slot Machine | Catch A Falling Star | 2003 | IGT International Game Technologies Reno, NV, USA |
| Sky Gamestar game | Caterpillar Crunch | 2003 | Sky Games |
| Slot Machine | Cats and Dogs - Spin 'n' Hold | 2003 | IGT International Game Technologies Reno, NV, USA |
| IBM PC/AT DOS pack. | Cats and Mouse | 2003 | Dunfield, Dave |
| Medal video game | Cellica | 2003 | Unknown Korea |
| Seta Aleck64 cart. | Chameleon RX-1 | 2003 | Digital Sunnil |
| PC/MS-Windows CD | Championship Manager Season 03/04 | 2003 | Eidos Interactive |
| Dedicated Console | Champiyon Pinball | 2003 | SSD Co., Ltd. |
| PC/MS-Windows CD | Chaos Legion | 2003 | Capcom Ent., Inc. USA 13388 |
| Pachislot | Charlie's Angels | 2003 | Rodeo Corp. Japan |
| Nintendo GameCube disc | Charlie's Angels | 2003 | Ubisoft Ent. Montreuil sous Bois, France |
| PC/MS-Windows CD | Chaser | 2003 | BigBen Interactive |
| Sony PlayStation CD |  Checkmate II Model SLES-04053 | 2003 | Phoenix Games |
| Slot Machine | Cheeky Pete Classics | 2003 | IGT International Game Technologies Reno, NV, USA |
| PC/MS-Windows CD | Cheollang Yeoljeon | 2003 | M-Dream Co, Ltd. Korea |
| PC/MS-Windows CD | Cheon-nyeon-ui Sinhwa 2: Hwarang-ui Hon | 2003 | Wizard Soft Korea |
| Slot Machine | Cherry Blast | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Cherry Time Model CN9411-008 | 2003 | Dragon Co., Ltd. |
| Pachislot | Chibariyo | 2003 | Net Corp. Japan |
| Medal video game | Chibi Maruko-chan - Minna de Sugoroku Asobi no Kan | 2003 | Capcom Co., Ltd. Japan |
| Coin-op Misc. game | Chibikko Land | 2003 | Komaya Co., Ltd. Japan |
