| Gachasta! Dino Device 2 Dragon (J)(Cezar) | |
| Gachasta! Dino Device 2 Phoenix (J)(Cezar) | |
| Gachasute! Dyna Device Blue (J)(Chakky) | |
| Gachasute! Dyna Device Red (J)(Independent) | |
| Gachinko Pro Yakyuu (J)(Chakky) | |
| Gadget Racers (E)(Independent) | |
| Gadget Racers (U)(Eurasia) | |
| Gakkou no Kaidan - Hyakuyobako no Fuuin (J)(Caravan) | |
| Gakkou o Tsukurou!! Advance (J)(Cezar) | |
| Gakuen Alice - DokiDoki Fushigi Taiken (J)(Caravan) | |
| Gakuen Senki Muryou (J)(Rising Sun) | |
| Galaxy Angel (J)(Chakky) | |
| Galidor - Defenders of the Outer Dimension (U)(Venom) | |
| Game & Watch Gallery 4 (U)(Evlstar) | |
| Game & Watch Gallery Advance (E)(Menace) | |
| Gameboy Wars Advance 1+2 (J)(Caravan) | |
| Games Explosion! (U)(Rising Sun) | |
| Ganbare Dodge Fighters (J)(RisingCaravan) | |
| Garfield - The Search For Pooky (E)(Rising Sun) | |
| Garfield - The Search For Pooky (U)(Trashman) | |
| Garfield and his Nine Lives (E)(LightForce) | |
| Garfield and His Nine Lives (U)(Trashman) | |
| Gauntlet - Dark Legacy (U)(Mode7) | |
| Gauntlet & Rampart (E)(Supplex) | |
| Gauntlet & Rampart (U)(Trashman) | |
| GBA TV Tuner (C)(Independent) | |
| GBA TV Tuner (C)(TrashMan) | |
| GBADev 2004Mbit Competition (U)(GBADev.org) | |
| Gegege no Kitaro (J)(WRG) | |
| Gekido Advance - Kintaro's Revenge (E)(Squirrels) | |
| Gekido Advance - Kintaros Revenge (U)(Ongaku) | |
| Gekitou Densetsu Noah - Dream Management (J)(Rising Sun) | |
| Gekitou! Car Battler Go! (J)(Rapid Fire) | |
| Gem Smashers (U)(Trashman) | |
| Genseishin Justirisers - Souchaku Chikyuu no Senshitachi (J)(Caravan) | |
| Genso Maden Saiyuki (J)(WRG) | |
| Gensou Suikoden Card Stories (J)(Eurasia) | |
| Get Backers - Dakkanoku Jagan Fuuin (J)(Cezar) | |
| Get Backers - Jigoku no Sukaramushu (J)(Eurasia) | |
| Get Ride AMDriver - Senkou no Hero Tanjou (J)(Caravan) | |
| Get! Boku no Mushitsu (J)(Evasion) | |
| Getbackers Dakkanoku - Metropolis Dakkan Sakusen (J)(Rising Sun) | |
| Ghost Rider (U)(Rising Sun) | |
| Ghost Trap (J)(Cezar) | |
| Gli Incredibili (I)(Independent) | |
| Glory Days - The Essence of War (E)(Endless Piracy) | |
| Go! Go! Beckham! Adventure On Soccer Island (E)(Eurasia) | |
| Godzilla Domination (E)(Eurasia) | |
| Godzilla Domination (J)(Independent) | |
| Godzilla Domination (U)(Dumper) | |