| Abbreviation | Definition |
|---|---|
| GBHG | Game Box the Hardest Games |
| GBJ | Gay Baby Jail |
| GBP | Game Boy Pocket |
| GBTP | God Bless The Pope |
| GC | Galactic Conquest |
| GC | Game Control |
| GCB | Gaming Control Board |
| GCK | Giants: Citizen Kabuto |
| GCN | Game Cube Network |
| GCN | Gamer's Collective Network |
| GCN | Gaming Club Network |
| GCN | Gaming Commerce Nation |
| GD | Gaming Dark |
| GD | Geometry Dash |
| GD | Global Domination |
| GD | Gratuitous Damage |
| GD | Greater Defender |
| GD | Gridiron Dynasty |
| GDAA | Game Developers Association of Australia |
| GDD | Game Design Document |