| Name | Steam ID | Records | WRs |
|---|---|---|---|
| Guinness | 76561197984892164 | 1 | 0 |
| GUISED | 76561198054865150 | 5 | 0 |
| Guit | 76561199164171065 | 2 | 0 |
| ★ GuiTaR ★ | 76561198114096248 | 1 | 0 |
| Guitar Hero III | 76561198146457322 | 1 | 0 |
| guitoon54 | 76561198017640709 | 1 | 0 |
| guitouch | 76561199044531610 | 1 | 0 |
| GuiTouN | 76561197968364122 | 16 | 0 |
| gulden | 76561198428079689 | 1 | 0 |
| Gulfman | 76561197963090621 | 6 | 0 |
| =GULLS= Macman | 76561198116211818 | 1 | 0 |
| Gulo | 76561197978001299 | 1 | 0 |
| Gülüke | 76561198257410992 | 1 | 0 |
| GUM | 76561198218770719 | 3 | 0 |
| Gumbygum | 76561197993190922 | 1 | 0 |
| Gumeon | 76561198119215379 | 2 | 0 |
| gummibär | 76561197995260907 | 5 | 0 |
| gummicorpse | 76561198167408187 | 290 | 0 |
| gumpinat0rz | 76561199015170796 | 1 | 0 |
| Gumpmaster | 76561198051813084 | 1 | 0 |
| Gun | 76561198912225173 | 5 | 0 |
| GunboSlice | 76561197971435766 | 1 | 0 |
| Guncem | 76561197999047121 | 1 | 0 |
| gundra | 76561198090133748 | 88 | 0 |
| Gundroog | 76561198047333591 | 1 | 0 |
| guneyclo | 76561198278405539 | 2 | 0 |
| g u n g a n g a | 76561198416128356 | 6 | 0 |
| gunganinexile | 76561198250367170 | 11 | 0 |
| gunn3r | 76561198161998138 | 2 | 0 |
| gunner | 76561198117245573 | 24 | 0 |
| Gunner1987 | 76561198070747874 | 1 | 0 |
| Guns | 76561198070511586 | 1 | 0 |
| GUNSA | 76561198007807460 | 4 | 0 |
| gunslinger | 76561198083481307 | 2 | 0 |
| GünterDieNektarine | 76561198427405489 | 1 | 0 |
| Guntherevsky | 76561198077682834 | 2 | 0 |
| Gun_tk | 76561197992532039 | 1 | 0 |
| Guppy | 76561198080137347 | 2 | 0 |
| Guppy! | 76561198135946704 | 1 | 0 |
| GurgleBurglar | 76561198397331870 | 29 | 3 |
| Gurkan | 76561198022349297 | 1 | 0 |
| Gurkeck88 | 76561198038475419 | 1 | 0 |
| Gürol | 76561198010769454 | 25 | 0 |
| gurp | 76561198051496779 | 358 | 1 |
| gurt | 76561199129699587 | 1 | 0 |
| Gurt | 76561198079221716 | 1 | 0 |
| Guru | 76561198049848052 | 11 | 0 |
| gus | 76561197982324711 | 1 | 0 |
| GusLy~ | 76561198069930599 | 1 | 0 |
| Gustav_Duck | 76561198003786302 | 1 | 0 |