| Abbreviation | Definition |
|---|---|
| IGC | Indiana Gaming Commission |
| IGE | Internet Gaming Entertainment |
| IGG | Internet Gaming Gate |
| IGIG | Indian Gaming Integrity Group |
| IGL | Ilan Gaming League |
| IGL | In-game Leader |
| IGL | Internet Gaming League |
| IGM | In-Game Management |
| IGN | Intense Gaming Network |
| IGN | International Gaming Nazis |
| IGN | International Gaming Network |
| IGN | Internet Gaming Network |
| IGN | Internet Gaming News |
| IGO | Inside Gamer Online |
| IGO | Inside Gaming Online |
| IGRA | Indian Gaming Regulatory Act |
| IGS | Independent Gaming Solutions |
| IGS | Integrated Gaming System |
| IGSQ | Intergalactic Squirrels |
| IGT | International Gaming Technology |