| Nintendo GameCube disc |  BIONICLE Model DOL-GVOE-USA | 2003 | LEGO Media LEGO Group |
| Nintendo GameCube disc |  BIONICLE Model DOL-GVOP-EUR | 2003 | Electronic Arts CA, USA 14633 |
| Nintendo GameCube disc | Black & Bruised Model DOL-G2BE-USA | 2003 | Majesco Sales, Inc. |
| Sony PlayStation 2 disc | Black & Bruised Model SLES-51620 | 2003 | Majesco Sales, Inc. |
| Medal video game | Black Bonus Special II | 2003 | Unknown Korea |
| Slot Machine | Black Horse III | 2003 | Unknown Korea |
| Medal video game | Black Hunter 3 | 2003 | Unknown Korea |
| Fruit Machine | Black Magic Club | 2003 | Vivid Gaming England |
| Pachislot | Black Panther | 2003 | Luster Co., Ltd. Japan |
| Video Slot Machine | Black Pearl | 2003 | Extrema Intersystems |
| Slot Machine | Black Rose II | 2003 | Unknown Korea |
| Microsoft XBOX disc | Black Stone - Magic & Steel | 2003 | Unknown |
| Slot Machine | Blackjack Xtra Model RVN-BLX | 2003 | Dragon Co., Ltd. |
| Nintendo GBA cart. | Blackthorne Model AGB-AQXE-USA | 2003 | Blizzard Ent., Inc. |
| Nintendo GBA cart. | Blackthorne Model AGB-AQXP | 2003 | Blizzard Ent., Inc. |
| Slot Machine | Blast from the Past | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| V.R. game | BLAZE | 2003 | Bugeye Technologies, Inc. Pacific, MO, USA |
| Slot Machine | Blazing 7's Progressive | 2003 | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Blind Date Model ES151 | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Bling Bling | 2003 | IGT International Game Technologies Reno, NV, USA |
| Sinclair ZX Spectrum cass. | Blink Hb | 2003 | ZXIF |
| PC/MS-Windows CD | Blitzkrieg | 2003 | CDV Soft. Ent. USA, Inc. |
| Sony PlayStation CD | Block Buster Model SLES-04067 | 2003 | Phoenix Games |
| Sony PlayStation CD | Blockids Model SLUS-01496 | 2003 | Natsume, Inc. Japan |
| PC/MS-Windows CD | BloodRayne | 2003 | Majesco Sales, Inc. |
| Microsoft XBOX disc | Bloody Roar Extreme | 2003 | Unknown |
| Microsoft XBOX disc | Blowout | 2003 | Unknown |
| Pachislot | Blue Fang | 2003 | Eipex Tokyo, Japan |
| Slot Machine | Blue Ice | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Video Slot Machine | Blue Moon II Classics | 2003 | IGT International Game Technologies Reno, NV, USA |
| Sega Dreamcast GD | Blue-Sky-Blue(s) - Sora o Mau Tsubasa Model T-23204M | 2003 | Ecole Soft. |
| Sega Dreamcast GD | Blue-Sky-Blue(s) - Sora o Mau Tsubasa Model T-23205M | 2003 | Ecole Soft. |
| Arcade Video game | BnB Arcade | 2003 | Eolith Co., Ltd. |
| Nintendo GBA cart. | Boboboubo Boubobo - Maji de!!? Shinken Battle Model AGB-BOBJ-JPN | 2003 | Hudson Soft. Hudson Group Japan |
| PC/MS-Windows CD | Boggle Boggle X | 2003 | Bisco Korea |
| Nintendo GBA cart. | Boktai - The Sun is in Your Hand Model AGB-U3IE-USA | 2003 | Konami Corp. Japan |
| Nintendo GBA cart. | Bokujou Monogatari - Mineral Town no Nakama-tachi for Girl Model AGB-BFGJ-JPN | 2003 | Marvelous Interactive, Inc. |
| Nintendo GBA cart. | Bokujou Monogatari - Mineral Town no Nakama-tachi Model AGB-A4NJ-JPN | 2003 | Victor Interactive Soft., Inc. |
| Nintendo GBA cart. | Bokura no Taiyou - Taiyou Action RPG Model AGB-U3IJ-JPN | 2003 | Konami Corp. Japan |
| PC/MS-Windows CD | Bomberman Collection | 2003 | Konami of America CA, USA |
