| Abbreviation | Definition |
|---|---|
| GRN | Games Route Network |
| GRU | Gloves of Running Urgently |
| GS | Gaming Surface |
| GS | Gaming System |
| GSA | Gaming Standards Association |
| GSA | Global-Space Alliance |
| GSAP | Gaming Skits Anime Productions |
| GSI | Global Sports Interactive |
| GSN | GameSpy Network |
| GSOL | Gamelan Son Of Lion |
| GSOV | Golden Sword Of Valor |
| GSP | Ghetto Starcraft Players |
| GSPN | Gamer Scrooge Programming Network |
| GSS | Gunner Sniper Squad |
| GST | Game Saving Technology |
| GT | Gaming Tower |
| GT | Growtopia |
| GTA | Go To Another game |
| GTA | Grand Theft Auto |
| GTA | Green Thumb Action |