Region | Title | System | Version | Edition | Languages | Serial | Status |
| Gadget: Invention, Travel, & Adventure | MAC | | Original | | TORT-1003 | |
| Gadget: Invention, Travel, & Adventure ガジェット | MAC | | Rerelease | | TORT-1006 | |
| Gadget: Invention, Travel, & Adventure ガジェット | FMT | | Original | | TONP-2002 | |
| Gamera: The Time Adventure ガメラ THE TIME ADVENTURE | QIS | | Original | | BAPD-15 | |
| Garage: Bad Dream Adventure ガラージュ | PC | | Private Edition | | | |
| GTE Entertainment Graphical Adventure Demo CD-ROM GTE Entertainment: TimeLapse: Ancient Civilizations / Titanic: Adventure Out of Time | PC | | | | | |
| Gry Turbo 3/2007 Bonez Adventures: Chapter 1: Tomb of Fulaos | PC | | | | | |
| The Great Math Adventure | PC | | Original | | | |
| Great Adventures by Fisher-Price: Wild Western Town | PC | 1.0 | Original | | | |
| Great Adventures by Fisher-Price: Castle Great Adventures by Fisher-Price: Castle: Where Imagination Is King! | PC | | Original | | | |
| Great Adventures by Fisher-Price Castle | PC | 1.0 | Original | | FPC844AB-CD | |
| GrailQuest GrailQuest: Adventure in the Age of King Arthur | PC | | Original | | | |
| Gogo's Adventures with English GOGO英语探秘 | PC | | Original | | | |
| Goferwinkel's Adventures: The Lavender Land | PC | | Original | | GALL-92 | |
| Garage: Bad Dream Adventure ガラージュ | PC | | Original | | TORM 6214 | |
| GameStar 7/2000 (20) (Disc 2) Halls of the Dead: Faery Tale Adventure II | PC | | | | | |
| The Game Series 69: Adventure Game: Ningyou no Kizuato ザゲームシリーズ69: アドベンチャーゲーム 人形の傷跡 | PC | | Original | | | |
| Galactic Adventures: Command Adventures: Starship & The Fortress of Dr. Radiaki | PC | | Original | | 08470 60308 | |
| Gadget: Invention, Travel, & Adventure ガジェット | PC | | Shokai Tokuten | | TORT-2002 | |
| Gadget: Invention, Travel, & Adventure ガジェット | PC | | Original | | SYWI-002 | |
| The Grim Adventures of Billy & Mandy | WII | | Original | | RVL-RGME-USA | |
| The Grim Adventures of Billy & Mandy | WII | | Original | | RVL-RGMP-UKV | |
| Go West! A Lucky Luke Adventure | WII | | Original | | RVL-RLLP-EUR | |
| Groove Adventure Rave: Fighting Live グルーヴ アドベンチャー レイヴ ファイティングライブ | GC | | Original | | DL-DOL-GRVJ-JPN | |
| Gurumin: A Monstrous Adventure | PSP | 1.00 | Original | | ULUS-10228 | |
| Gurumin: A Monstrous Adventure | PSP | 1.00 | Original | | ULES-00627 | |
| The Grim Adventures of Billy & Mandy | PS2 | 1.00 | Original | | SLUS 21451 | |
| Gritz: The Pyramid Adventure グリッツ ~ザ・ピラミッド・アドベンチャー~ | PSX | | Original | | SLPS 00615 | |