| Nintendo GBA cart. |  Mega Man Battle Network 4 Red Sun Model AGB-B4WP-EUR | 2004 | CE Europe, Ltd. Capcom Europe London, England 055060 |
| Nintendo GameCube disc |  Mega Man X - Command Mission Model DOL-GXRE-USA | 2004 | Capcom Ent., Inc. USA 13388 |
| Nintendo GameCube disc | Mega Man X - Command Mission Model DOL-GXRP-EUR | 2004 | CE Europe, Ltd. Capcom Europe London, England 055060 |
| Nintendo GBA cart. | Mega Man Zero 3 Model AGB-BZ3E-USA | 2004 | Capcom USA, Inc. Santa Clara, CA, USA 13388 |
| Nintendo GBA cart. | Mega Man Zero 3 Model AGB-BZ3P-EUR | 2004 | CE Europe, Ltd. Capcom Europe London, England 055060 |
| Slot Machine | Mega Poker | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Mega Road | 2004 | Mega |
| Commodore C64 cart. | Megafun | 2004 | Ent. Soft. |
| Arcade Video game | Megatouch Force 2004 | 2004 | Merit Industries, Inc. Bensalem, PA, USA |
| Arcade Video game | Megatouch Force 2004.5 | 2004 | Merit Industries, Inc. Bensalem, PA, USA |
| Arcade Video game | Megatouch Maxx Sapphire | 2004 | Merit Industries, Inc. |
| Arcade Video game | Megatouch Maxx Sapphire 2 | 2004 | Merit Industries, Inc. |
| TRS-80 MC-10 cass. | Memory Display | 2004 | Tamer, James |
| PC/MS-Windows CD | Men of Valor | 2004 | Sierra Ent., Inc. USA |
| Arcade Video game | Meng Hong Lou | 2004 | Sealy Electronic Technology Co., Ltd. China |
| Slot Machine | Merkur Eurocup | 2004 | ADP Merkur GmbH Gauselmann Group Germany |
| Nintendo GBA cart. | Mermaid Melody - Pichi Pichi Pitch - Pichi Pichitto Live Start! Model AGB-BMJ-JPN(RK353-J1) | 2004 | Konami Corp. Japan |
| Video Slot Machine | Merry Joiner | 2004 | Belatra |
| Sony PSP UMD | Metal Gear Ac!d Model ULJM-05001 | 2004 | Konami Corp. Japan |
| Nintendo GameCube disc | Metal Gear Solid - The Twin Snakes | 2004 | Konami Corp. Japan |
| Nintendo GameCube disc | Metal Gear Solid - The Twin Snakes Model DOL-GGSE-USA | 2004 | Konami Digital Ent. Co., Ltd. |
| Nintendo GameCube disc | Metal Gear Solid - The Twin Snakes Model DOL-GGSP-EUR | 2004 | Konami Digital Ent. Co., Ltd. |
| Pachislot | Metal Slug | 2004 | SNK Playmore Japan |
| Microsoft XBOX disc | Metal Slug 3 Model DP5-00001 P | 2004 | SNK Playmore Japan |
| Sony PlayStation 2 disc | Metal Slug 4 Model SLPS-25376 P | 2004 | SNK Playmore Japan |
| SNK Neo-Geo AES cart. | Metal Slug 5 Model NGH-268 P | 2004 | SNK Playmore Japan |
| Nintendo GBA cart. | Metal Slug Advance Model AGB-BSME-USA | 2004 | SNK Playmore Japan |
| Nintendo GBA cart. | Metal Slug Advance Model AGB-BSMJ-JPN | 2004 | SNK Playmore Japan |
| Nintendo GBA cart. | Metal Slug Advance Model AGB-BSMP | 2004 | Ignition Ent., Ltd. |
| PC/MS-Windows CD | Metal Storm | 2004 | Game Factory, The |
| NEC TurboGrafx-CD | Meteor Blaster DX Model BTCD0402 Hb | 2004 | MindRec |
| IBM PC/AT DOS pack. | Meteor Rescue! Sw | 2004 | PLBM Games |
| Nintendo GBA cart. | Metroid - Zero Mission Model AGB-BMXE-USA | 2004 | Nintendo of America, Inc. USA 45496 |
| Nintendo GBA cart. | Metroid - Zero Mission Model AGB-BMXJ-JPN | 2004 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Metroid - Zero Mission Model AGB-BMXP-EUR | 2004 | Nintendo Co., Ltd. Japan |
| Nintendo GameCube disc | Metroid Prime 2 - Echoes Model DOL-G2ME-USA | 2004 | Nintendo of America, Inc. USA 45496 |
| Nintendo GameCube disc | Metroid Prime 2 - Echoes Model DOL-G2MP-EUR | 2004 | Nintendo Co., Ltd. Japan |
| Nintendo DS cart. | Metroid Prime Hunters - First Hunt Model NTR-AFME-USA | 2004 | Nintendo of America, Inc. USA 45496 |
| Nintendo GBA cart. | Metroid NES Classic + 9 Model AGB-FMRP | 2004 | Nintendo Co., Ltd. Japan |
| Slot Machine | Mexico | 2004 | Mega |
