| Inu to Asobou - Dogstation | JP | 2003-02 |
Konami | Commercial |
| Iris | JP | 2003-02 |
KID | Commercial |
| International Superstar Soccer 3 | EU | 2003-03 |
Konami | Commercial |
| IndyCar Series | EU | 2003-05 |
Codemasters | Commercial |
| IndyCar Series featuring the Indianapolis 500 | US | 2003-05 |
Codemasters | Commercial |
| Indiana Jones and the Emperor's Tomb | US | 2003-06 |
LucasArts | Commercial |
| Initial D - Special Stage | AS | 2003-06 |
Sega | Commercial |
| Initial D - Special Stage | JP | 2003-06 |
Sega | Demo |
| Inspector Gadget - Mad Robots Invasion | EU | 2003-07 |
L.S.P | Commercial |
| Indiana Jones and the Emperor's Tomb | EU | 2003-08 |
LucasArts | Commercial |
| Indiana Jones e la Tomba dell'Imperatore | IT | 2003-08 |
LucasArts | Commercial |
| Indiana Jones et le Tombeau de l'Empereur | FR | 2003-08 |
LucasArts | Commercial |
| Indiana Jones und die Legende der Kaisergruft | DE | 2003-08 |
LucasArts | Commercial |
| Indiana Jones y la Tumba del Emperador | ES | 2003-08 |
LucasArts | Commercial |
| Ishikura Noboru Kudan no Igo Kouza - Nyuumon-hen - Kondokoso Honki de Oboeru Igo | JP | 2003-09 |
Unbalance | Commercial |
| Ishikura Noboru Kudan no Igo Kouza - Chuukyuu-hen - Jitsuryoku 5-kyuu o Mezasu Hito e | JP | 2003-10 |
Unbalance | Commercial |
| I-Ninja | EU | 2003-11 |
Namco Hometek | Demo |
| I-Ninja | US | 2003-11 |
Namco | Commercial |
| I-Ninja | US | 2003-11 |
Namco Hometek | Demo |
| Ichigeki Satchuu!! Hoihoi-san | JP | 2003-11 |
Konami | Commercial |
| Il Signore degli Anelli - Il Ritorno del Re | IT | 2003-11 |
Electronic Arts | Commercial |
| Intellivision Lives - The History of Video Gaming | EU | 2003-11 |
Crave Entertainment | Commercial |
| Intellivision Lives! | US | 2003-11 |
Crave Entertainment | Commercial |
| International Pool Championship | EU | 2003-11 |
Play It! | Commercial |
| Ilgyeok Salchung!! Hoihoi-san | KR | 2003-12 |
Konami | Commercial |