| .gmbck |
Game Maker Background Image File |
| .gmmp |
WCS Gamut Map Model Profile |
| .gbproj |
GarageBand Project |
| .gdrive |
Gizmo Virtual Drive File |
| .gar |
Farming Simulator Game Archive File |
| .gfie |
Greenfish Icon Editor Pro Graphic |
| .gmt |
rFactor Model File |
| .gme |
DexDrive Game Card File |
| .gqsx |
Microsoft Office SmartArt Styles File |
| .gz2 |
Misnamed BZ2 File |
| .grt |
Grapher Template |
| .gmspr |
Game Maker Sprite File |
| .gsx |
Sega Genesis Emulator Saved State File |
| .gs0 |
Sega Genesis Emulator Quick Slot 0 Save File |
| .god |
Gore Game Data File |
| .gta |
Microsoft Groove Tool Archive |
| .gtm |
GreekToMe Translation File |
| .g3a |
Casio Prizm Add-in File |
| .gcz |
Compressed GameCube/Wii ROM |
| .guides |
xScope Guides File |
| .gblorb |
Glulx Blorb Game File |
| .gym |
Sega Genesis Sound File |
| .gdbtable |
Geodatabase Table File |
| .gl |
GRASP Animation |