| Sony PlayStation 2 disc |  SingStar Press Kit Model SCED-52461 | 2004 | Sony Computer Ent. Europe SCEE |
| Sony PlayStation 2 disc |  SingStar Model SCES-52299 | 2004 | Sony Computer Ent. Europe SCEE |
| Sony PlayStation 2 disc | SingStar Model SCES-52564 | 2004 | Sony Computer Ent. Europe SCEE |
| Sony PlayStation 2 disc | SingStar Model SCES-52565 | 2004 | Sony Computer Ent. Europe SCEE |
| Sony PlayStation 2 disc | SingStar Model SCES-52566 | 2004 | Sony Computer Ent. Europe SCEE |
| Sony PlayStation 2 disc |  SingStar {Model SCES-52268 | 2004 | Sony Computer Ent. Europe SCEE |
| MSX cart. | Sink-King Hb | 2004 | Guzuta |
| PC/MS-Windows CD | SISTER - Daraku no Kokuin | 2004 | Black Lilith |
| Sony PlayStation CD |  Sister Princess 2 Model SLPS-91527~8 | 2004 | Media Works Japan |
| Nintendo GBA cart. | Sitting Ducks Model AGB-BSDE-USA | 2004 | HIP Games |
| Sony PlayStation CD | Sitting Ducks Model SLES-04152 | 2004 | LSP Light & Shadow Production |
| Slot Machine | Sixth Cents | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sixth Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Sixth Party Level | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Skull Magic | 2004 | Aruze Corp. Japan |
| Colecovision cart. | Sky Jaguar Hb | 2004 | Opcode Games |
| Gun game | Sky Masters | 2004 | Bay Tek, Inc. Pulaski, WI, USA |
| PC/MS-Windows CD | Slave Pageant | 2004 | Ignition Ent., Ltd. |
| Slot Machine | Slumber Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Smart Money | 2004 | IGT International Game Technologies Reno, NV, USA |
| Sony PlayStation 2 disc | Smash Court Tennis Pro Tournament 2 Model SCES-52423 | 2004 | NAMCO, Ltd. Japan |
| Nintendo GBA cart. | Smashing Drive Model AGB-BSVE-USA | 2004 | DSI Games |
| MSX cart. | Snail Maze Hb | 2004 | Karoshi Corp. |
| Sony PlayStation 2 disc | SNK Best Collection: Metal Slug 3 Model SLPS-25428 P | 2004 | SNK Playmore Japan |
| Sony PlayStation 2 disc | SOCOM II - U.S. Navy SEALs Model SCES-51904 | 2004 | Sony Computer Ent. Europe SCEE |
| Sony PlayStation 2 disc | SOCOM II - U.S. Navy SEALs Model SCKA-20020 | 2004 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PlayStation 2 disc | SOCOM II - U.S. Navy SEALs Model SCPS-15065 | 2004 | Sony Computer Ent., Inc. SCEI Japan |
| Enterprise 64 disk | Sokoban 4K Hb | 2004 | Povysoft |
| PC/MS-Windows CD | Soldiers - Heroes of World War II | 2004 | Codemasters Soft. Co., Ltd., The 015026 |
| Medal video game | Solomon | 2004 | Unknown Korea |
| Nintendo GBA cart. | Sonic Advance 3 Model AGB-B3SE-USA | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | Sonic Advance 3 Model AGB-B3SJ-JPN | 2004 | SEGA Corp. |
| Nintendo GBA cart. | Sonic Advance 3 Model AGB-B3SP-EUR | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | Sonic Battle Model AGB-BSBE-USA | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | Sonic Battle Model AGB-BSBP | 2004 | T-HQ, Inc. Toy HeadQuarters |
| PC/MS-Windows CD | Sonic Heroes | 2004 | SEGA Corp. |
| Nintendo GameCube disc | Sonic Heroes Model DOL-G9SE-USA | 2004 | SEGA of America, Inc. San Francisco, CA, USA |
| Nintendo GameCube disc | Sonic Heroes Model DOL-G9SP-EUR | 2004 | SEGA Europe Ltd. |
| Sony PlayStation 2 disc | Sonic Heroes Model SLES-51950 | 2004 | SEGA Corp. |
| Microsoft XBOX disc | Sonic Mega Collection Plus Model 64057 | 2004 | SEGA of America, Inc. San Francisco, CA, USA |
