| Sinclair ZX Spectrum+3 disk |  Infiltrado 2 - Return To Reactor Hb | 2004 | OCTOCOM |
| Fruit Machine | Infinity | 2004 | Vivid Gaming England |
| Arcade Video game | Initial D Arcade Stage Ver. 3 GDS-0032B | 2004 | SEGA Corp. |
| PC/MS-Windows CD | InkBall | 2004 | Microsoft |
| Pachislot | Inoki Jishing | 2004 | Heiwa Japan |
| PC/MS-Windows CD | Inquisition | 2004 | Wanadoo Edition |
| Nintendo GameCube disc | Intellivision Lives! Model DOL-GIVE-USA | 2004 | Crave Ent., Inc. |
| Sega Dreamcast GD |  Interlude Model T-20127M-1 | 2004 | Nec InterChannel, Ltd. Japan |
| Commodore C64 disk | Invasion 001 Hb | 2004 | Scserbin, Zoltan |
| Arcade Video game | Invasion Earth | 2004 | Global VR San Jose, CA, USA |
| Sony PlayStation 2 disc | Iris no Atelier - Eternal Mana Model SLPM-65594 | 2004 | Gust Japan |
| Slot Machine | It's a Steal | 2004 | IGT International Game Technologies Reno, NV, USA |
| Pachinko | Italian Dream | 2004 | Sanyo Japan |
| Sega Dreamcast GD | Izumo Model T-46902M | 2004 | Symbio Planning |
| PC/MS-Windows pack. | Jace Boxxi | 2004 | Masula, Jace |
| PC/MS-Windows CD | Jagged Alliance 2 - Wildfire | 2004 | TalonSoft |
| Nintendo GBA cart. | Jajamaru Jr. Denshouki - Jalecolle mo Arisourou Model AGB-BNJJ-JPN | 2004 | JALECO Co., Ltd. Japan |
| Sony PlayStation 2 disc |  Jampack Demo Disc Vol. 14 Model SCUS-97493 | 2004 | Sony Computer Ent. America SCEA CA, USA |
| Sony PlayStation 2 disc | Jampack Demo Disc Vol. 14 Model SCUS-97494 | 2004 | Sony Computer Ent. America SCEA CA, USA |
| Sony PlayStation 2 disc | Jampack Demo Disc Vol. 15 Model SCUS-97564 | 2004 | Sony Computer Ent. America SCEA CA, USA |
| Sony PlayStation 2 disc | Jampack Demo Disc Vol. 15 Model SCUS-97565 | 2004 | Sony Computer Ent. America SCEA CA, USA |
| Slot Machine | Jeopardy! Triple Lucky 7's | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Jeopardy! White Ice | 2004 | IGT International Game Technologies Reno, NV, USA |
| Sony PlayStation CD | Jet Ace Model SLES-04125 | 2004 | Phoenix Games |
| Nintendo GBA cart. | Jet Set Radio Model AGB-AJRP | 2004 | SEGA Corp. |
| Sinclair ZX Spectrum cass. | Jet Set Willy 128K Hb | 2004 | Elliott, John |
| Sinclair ZX Spectrum cass. | Jet Set Willy: Jet Cat Frosya Hb | 2004 | Makovsky, Igor |
| Sinclair ZX Spectrum cass. | Jet Set Willy: Jet Set Emily - Baby on the Go Special Edition Hb | 2004 | Doctor Who |
| Sinclair ZX Spectrum cass. | Jet Set Willy: Manic Miner Hb | 2004 | Broadsoft |
| Sinclair ZX Spectrum cass. | Jet Set Willy: Maria's Revenge Hb | 2004 | Doughty, Mat |
| Sinclair ZX Spectrum cass. | Jet Set Willy: Party Willy Hb | 2004 | Broadsoft |
| Sinclair ZX Spectrum cass. | Jet Set Willy: Willy's New Mansion Hb | 2004 | Gromann, Daniel |
| Sinclair ZX Spectrum cass. | Jet Set Willy: ylliW teS teJ Hb | 2004 | Broadsoft |
| Slot Machine | Jewels of the Pharaoh | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Sony PlayStation 2 disc | Jikkyou Powerful Pro Yakyuu 11 - Chou Ketteiban Model SLPM-65825 | 2004 | Konami Corp. Japan |
| Sony PlayStation 2 disc | Jikkyou Powerful Pro Yakyuu 11 Model SLPM-65630 | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Jimmy Neutron un Garcon Genial - L'Attaque des Twonkies | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Sony PlayStation 2 disc | Jissen Pachi-Slot Hisshouhou! Hokuto no Ken Model SLPS-20372 | 2004 | Sammy Corp. Japan |
| Sony PlayStation 2 disc | Jissen Pachi-Slot Hisshouhou! Hokuto no Ken Model SLPS-20373 | 2004 | Sammy Corp. Japan |
| Arcade Video game | Johnny Nero: Action Hero | 2004 | ICE Innovative Concepts in Ent. Buffalo, NY, USA |
