| Slot Machine |  Birthday Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Medal video game | Black Combo | 2004 | Unknown Korea |
| Slot Machine | Black Ice | 2004 | IGT International Game Technologies Reno, NV, USA |
| Fruit Machine | Black Magic | 2004 | JPM International |
| Slot Machine | Black Magic 7s | 2004 | IGT International Game Technologies Reno, NV, USA |
| Sony PlayStation CD | Black/Matrix 00 Model SLPS-03571~2 | 2004 | Nec InterChannel, Ltd. Japan |
| Sony PlayStation CD | Black/Matrix 00 Model SLPS-03573~4 | 2004 | Nec InterChannel, Ltd. Japan |
| Nintendo GBA cart. | Blades of Thunder Model AGB-BBHE-USA | 2004 | Summitsoft Ent. |
| Slot Machine | Blank Check | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Blaze of Glory | 2004 | IGT International Game Technologies Reno, NV, USA |
| Medal video game | Blazing Bars | 2004 | Unknown Korea |
| Slot Machine | Blazing Phoenix Model ES146 | 2004 | Konami Gaming, Inc. Las Vegas, NV, USA |
| PC/MS-Windows CD | Blitzkrieg - Burning Horizon | 2004 | CDV Soft. Ent. USA, Inc. |
| PC/MS-Windows CD | Blitzkrieg - Rolling Thunder | 2004 | CDV Soft. Ent. USA, Inc. |
| TRS-80 MC-10 cass. | Block Drop | 2004 | Perosi, Charles |
| Slot Machine | Block Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Arcade Video game | Block Pong-Pong | 2004 | Sammy Corp. Japan |
| Sony PlayStation CD |  Blockids Model SLES-04003 | 2004 | Natsume, Inc. Japan |
| Slot Machine | Blow Me Down | 2004 | IGT International Game Technologies Reno, NV, USA |
| Nintendo GameCube disc | Blowout Model DOL-GWOE-USA | 2004 | Majesco Sales, Inc. |
| Slot Machine | Blue Devils | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Blue Diamonds | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Medal video game | Blue Frog | 2004 | Unknown Korea |
| Slot Machine | Blue Ice Deluxe | 2004 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Blue Lagoon | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Medal video game | Blue Special | 2004 | Unknown Korea |
| Medal video game | Blue Special I | 2004 | Unknown Korea |
| Medal video game | Blue Special III | 2004 | Unknown Korea |
| Slot Machine | Bobble Time | 2004 | IGT International Game Technologies Reno, NV, USA |
| Fruit Machine | Bobby Dazzler Model PR2170 Scorpion 4 | 2004 | Mazooma Games |
| Nintendo GBA cart. | Boboboubo Boubobo - 9 Kyoku Senshi Gag Yuugou Model AGB-BB9J-JPN | 2004 | Hudson Soft. Hudson Group Japan |
| Nintendo GBA cart. | Boboboubo Boubobo - Bakutou Hajike Taisen Model AGB-BOSJ-JPN | 2004 | Hudson Soft. Hudson Group Japan |
| Sinclair ZX Spectrum cass. | Bodorrio Real Hb | 2004 | Beyker Soft |
| Nintendo GBA cart. | Boktai - The Sun is in Your Hand Model AGB-U3IP | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Boktai 2 - Solar Boy Django Model AGB-U32E-USA | 2004 | Konami Corp. Japan |
| PC/MS-Windows CD | Boku No - Natsu Yasumi - Himitsu Tai Ken | 2004 | Complet's |
| Nintendo GameCube disc | Bokujou Monogatari - Wonderful Life for Girl | 2004 | Marvelous Interactive, Inc. |
| MSX 2 disk | Bomb Jack | 2004 | Unknown Spain |
| MSX 3.5in disk | Bomb Jack | 2004 | Unknown Brazil |
| Pachislot | Bomber Powerful | 2004 | Sankyo Tokyo, Japan |
