| Nintendo GBA cart. |  From TV Animation One Piece - Mezase! King of Berry Model AGB-AUSJ-JPN | 2003 | Banpresto Japan |
| Nintendo GBA cart. | Fushigi no Kuni no Alice - Alice's Adventures in Wonderland Model AGB-AF4J-JPN | 2003 | Global A Ent., Inc. |
| Nintendo GBA cart. | Gachasute! Dino Device 2 - Dragon Model AGB-A4XJ-JPN | 2003 | Rocket Co. Japan |
| Nintendo GBA cart. | Gachasute! Dino Device 2 - Phoenix Model AGB-A4WJ-JPN | 2003 | Rocket Co. Japan |
| Nintendo GBA cart. | Gadget Racers Model AGB-AQ2P-EUR | 2003 | Zoo Digital Publishing |
| Nintendo GBA cart. | Gakuen Senki Muryou Model AGB-BGSJ-JPN | 2003 | MTO, Inc. Japan |
| Nintendo GBA cart. | GeGeGe no Kitarou - Kikiippatsu! Youkai Rettou Model AGB-BGKJ-JPN | 2003 | Konami Corp. Japan |
| Nintendo GBA cart. | Gekitou Densetsu Noah - Dream Management Model AGB-ANNJ-JPN | 2003 | NetVillage Japan |
| Nintendo GBA cart. | Gem Smashers Model AGB-AZSE-USA | 2003 | Metro 3D, Inc. |
| Nintendo GBA cart. | Gensou Maden Saiyuuki - Hangyaku no Toushin-taishi Model AGB-BGMJ-JPN | 2003 | Digital Kids |
| Nintendo GBA cart. | Get! Boku no Mushi Tsukamaete Model AGB-BGBJ-JPN | 2003 | Kemco, Ltd. |
| Nintendo GBA cart. | GetBackers Dakkanya - Jagan Fuuin! Model AGB-BGFJ-JPN | 2003 | Konami Corp. Japan |
| Nintendo GBA cart. | GetBackers Dakkanya - Metropolis Dakkan Sakusen! Model AGB-A8GJ-JPN | 2003 | Konami Corp. Japan |
| Nintendo GBA cart. | Godzilla - Kaijuu Dairantou Advance Model AGB-AG4J-JPN | 2003 | Atari Interactive, Inc. |
| Nintendo GBA cart. | Golden Sun - Die Vergessene Epoche | 2003 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Golden Sun - L'Age Perdu | 2003 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Golden Sun - L'Era Perduta | 2003 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Golden Sun - La Edad Perdida | 2003 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Golden Sun - The Lost Age Model AGB-AGFE-USA | 2003 | Nintendo of America, Inc. USA 45496 |
| Nintendo GBA cart. |  GP-1 Racing Prototype | 2003 | Edge Interactive |
| Nintendo GBA cart. | Green Eggs and Ham by Dr. Seuss Model AGB-BUSE-USA | 2003 | NewKidCo International, Inc. |
| Nintendo GBA cart. |  GT Advance 3 - Pro Concept Racing Model AGB-A2GE-USA | 2003 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | GT Advance 3 - Pro Concept Racing Model AGB-A2GP | 2003 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | Hachiemon Model AGB-A8EJ-JPN | 2003 | NAMCO, Ltd. Japan |
| Nintendo GBA cart. | Hamster Club 4 Model AGB-A4KJ-JPN | 2003 | Jorudan Co., Ltd. Japan |
| Nintendo GBA cart. | Hamster Monogatari 3EX, 4, Special Model AGB-BHSJ-JPN | 2003 | Culture Brain |
| Nintendo GBA cart. | Hamster Monogatari Collection Model AGB-BHCJ-JPN | 2003 | Culture Brain |
| Nintendo GBA cart. | Hamster Paradise - Pure Heart Model AGB-A82J-JPN | 2003 | Atlus Co., Ltd. Japan |
| Nintendo GBA cart. | Hamtaro - Ham-Ham Heartbreak Model AGB-AH3E-USA | 2003 | Nintendo of America, Inc. USA 45496 |
| Nintendo GBA cart. | Hamtaro - Ham-Ham Heartbreak Model AGB-AH3P | 2003 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Hamtaro - Rainbow Rescue Model AGB-A84P | 2003 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Harry Potter - Quidditch World Cup Model AGB-BHPE-USA | 2003 | EA Games Electronic Arts, Inc. |
| Nintendo GBA cart. | Harry Potter - Quidditch World Cup Model AGB-BHPJ-JPN | 2003 | EA Games Electronic Arts, Inc. |
| Nintendo GBA cart. | Harry Potter - Quidditch World Cup Model AGB-BHPP | 2003 | EA Games Electronic Arts, Inc. |
| Nintendo GBA cart. | Harvest Moon - Friends of Mineral Town Model AGB-A4NP | 2003 | Ubisoft Ent. Montreuil sous Bois, France |
| Nintendo GBA cart. | Harvest Moon - Friends of Mineral Town Model AGB-AN5E-USA | 2003 | Natsume, Inc. Japan |
| Nintendo GBA cart. | Hot Wheels - World Race Model AGB-BHWE-USA | 2003 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | Hot Wheels - World Race Model AGB-BHWP | 2003 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | Hugo - Bukkazoom! Model AGB-AZHP-EUR | 2003 | ITE Media |
| Nintendo GBA cart. | Hunter X Hunter - Minna Tomodachi Daisakusen!! Model AGB-A8NJ-JPN | 2003 | Konami Corp. Japan |
