| Nintendo GBA cart. |  Wade Hixton's Counter Punch Model AGB-BSRP | 2004 | DSI Games |
| Nintendo GBA cart. | Wagamama Fairy Mirumo de Pon Nazo no Kagi to Shinjitsu no Tobira Model AGB-BWPJ-JPN(RK371-J1) | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Wagamama Fairy Mirumo de Pon Yume no Kakera Model AGB-BWFJ-JPN(RK360-J1) | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Waliou Xunbao Ji | 2004 | IQue China |
| Nintendo GBA cart. | Wanko de Kururin! Wancle Model AGB-BWKJ-JPN | 2004 | MTO, Inc. Japan |
| Nintendo GBA cart. | Wanko Mix Chiwanko World Model AGB-BWXJ-JPN | 2004 | TDK Core |
| Nintendo GBA cart. | Who Wants to Be a Millionaire - 2nd Edition Model AGB-B55P-EUR | 2004 | Zoo Digital Publishing |
| Nintendo GBA cart. | Wings Model AGB-AWQP | 2004 | Zoo Digital Publishing |
| Nintendo GBA cart. | World Championship Poker Model AGB-BP9E-USA | 2004 | Crave Ent., Inc. |
| Nintendo GBA cart. |  World Reborn Prototype | 2004 | Destination Soft. |
| Nintendo GBA cart. | World Tennis Stars Model AGB-AWCE-USA | 2004 | AIA |
| Nintendo GBA cart. | World Tennis Stars Model AGB-AWCP-EUR | 2004 | Ignition Ent., Ltd. |
| Nintendo GBA cart. | WWE - Survivor Series Model AGB-BWWE-USA | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | WWE - Survivor Series Model AGB-BWWP | 2004 | T-HQ, Inc. Toy HeadQuarters |
| Nintendo GBA cart. | Xevious NES Classic + 7 Model AGB-FXVP | 2004 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | XS Moto Model AGB-BXME-USA | 2004 | XS Games |
| Nintendo GBA cart. | Yoshi no Banyuuinryoku Model AGB-KYGJ-JPN | 2004 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Yu Yu Hakusho - Ghostfiles - Tournament Tactics Model AGB-BRGE-USA | 2004 | Atari Interactive, Inc. |
| Nintendo GBA cart. | Yu Yu Hakusho - Ghostfiles - Tournament Tactics Model AGB-BRGP | 2004 | Atari Interactive, Inc. |
| Nintendo GBA cart. | Yu-Gi-Oh Reshef of Destruction Model AGB-AY8P | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Yu-Gi-Oh Sugoroku no Sugoroku Model AGB-BYSJ-JPN(RK348-J1) | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Yu-Gi-Oh The Sacred Cards Model AGB-AY7P | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Yu-Gi-Oh! Duel Monsters Expert 3 Model AGB-BY3J-JPN(RK337-J1) | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Yu-Gi-Oh! Duel Monsters International 2 Model AGB-BYIJ-JPN(RK361-J1) | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. |  Yu-Gi-Oh! World Championship Tournament 2004 Model AGB-BYWP-EUR | 2004 | Konami Corp. Japan |
| Nintendo GBA cart. | Zelda II - The Adventure of Link NES Classics 10 Model AGB-FLBP-EUR | 2004 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Zelda no Densetsu - Fushigi no Boushi Model AGB-BZMJ-JPN | 2004 | Nintendo Co., Ltd. Japan |
| Nintendo GBA cart. | Zero One SP Model AGB-BZOJ-JPN | 2004 | Fuuki Co., Ltd. Kyoto, Japan |
| Nintendo GBA cart. | Zettaizetsumei Dangerous Jiisan - Naki no 1-kai Zettaifukujuu Violence Kouchou - Wagahai ga 1-ban Erainjai!! Model AGB-BZGJ-JPN | 2004 | Kids Station |
| Nintendo GBA cart. | Zettaizetsumei Dangerous Jiisan 3 - Hateshinaki Mamonogatari Model AGB-BJ3J-JPN | 2004 | Kids Station |
| Nintendo GBA cart. | Zettaizetsumei Dangerous Jiisan Tsuu - Ikari no Oshioki Blues Model AGB-BZ2J-JPN | 2004 | Kids Station |
| Nintendo GBA cart. | Zoids Legacy Model AGB-AZ2E-USA | 2004 | Atari Interactive, Inc. |
| Nintendo GBA cart. | Zoids Saga Fuzors Model AGB-BZFJ-JPN | 2004 | Tomy |
| Nintendo GBA cart. | Zoku Bokura no Taiyou - Taiyou Shounen Django Model AGB-U32J-JPN(RK363-J1) | 2004 | Konami Corp. Japan |
| LeapFrog Leappad cart. | Englisch Kurs - Let's go 1 | 2004 | LeapFrog |
| LeapFrog Leappad cart. | Englisch Kurs - Let's go 2 | 2004 | LeapFrog |
| LeapFrog Leappad cart. | Hop on Pop - Based on the Book by Dr. Seuss | 2004 | LeapFrog |
| LeapFrog Leappad cart. | Leap and the lost Dinosaur | 2004 | LeapFrog |
| LeapFrog Leappad cart. | Leap und die Welt der Dinosaurier | 2004 | LeapFrog |
| LeapFrog Leappad cart. | LeapFrog Schoolhouse - Level 3 - Helping Others | 2004 | LeapFrog |
