| GP-1 Racing | US | 2003 |
Edge Interact | Prototype |
| GT Advance 3 - Pro Concept Racing | EU | 2003 |
THQ | Commercial |
| Gekitou Densetsu Noah - Dream Management | JP | 2003-03 |
Game Village | Commercial |
| GetBackers Dakkanya - Metropolis Dakkan Sakusen! | JP | 2003-03 |
Konami | Commercial |
| Golden Sun - Die Vergessene Epoche | DE | 2003-04 |
Nintendo | Commercial |
| Golden Sun - L'Era Perduta | IT | 2003-04 |
Nintendo | Commercial |
| Golden Sun - La Edad Perdida | ES | 2003-04 |
Nintendo | Commercial |
| Golden Sun - The Lost Age | EU | 2003-04 |
Nintendo | Commercial |
| Golden Sun - The Lost Age | US | 2003-04 |
Nintendo | Commercial |
| Gadget Racers | EU | 2003-06 |
Zoo Digital Publishing | Commercial |
| Gem Smashers | US | 2003-07 |
Metro3D | Commercial |
| Gensou Maden Saiyuuki - Hangyaku no Toushin-taishi | JP | 2003-08 |
Digital Kids | Commercial |
| GetBackers Dakkanya - Jagan Fuuin! | JP | 2003-09 |
Konami | Commercial |
| Golden Sun - L'Age Perdu | FR | 2003-09 |
Nintendo | Commercial |
| Gekido Advance - Kintaro's Revenge | US | 2003-11 |
Zoo Digital Publishing | Commercial |
| Green Eggs and Ham by Dr. Seuss | US | 2003-11 |
NewKidCo | Commercial |
| Gachasute! Dino Device 2 - Dragon | JP | 2003-12 |
Rocket Company | Commercial |
| Gachasute! Dino Device 2 - Phoenix | JP | 2003-12 |
Rocket Company | Commercial |
| Gakuen Senki Muryou | JP | 2003-12 |
MTO | Commercial |
| Gegege no Kitarou - Kikiippatsu! Youkai Rettou | JP | 2003-12 |
Konami | Commercial |
| Gojira - Kaijuu Dairantou Advance | JP | 2003-12 |
Atari | Commercial |