| Name | Steam ID | Records | WRs |
|---|---|---|---|
| OSTROV040_Ox's | 76561198127068912 | 1 | 0 |
| ota | 76561197967476174 | 1 | 0 |
| oterosantos | 76561198048321884 | 1 | 0 |
| OTG | 76561197971914809 | 1 | 0 |
| other quaker снежный | 76561198344147285 | 1 | 0 |
| Otis | 76561198052862589 | 1 | 0 |
| otjilliu42 | 76561198183831846 | 1 | 0 |
| otoko42 | 76561198023705797 | 1 | 0 |
| OtoTheBestialVomitRs™ | 76561198257833684 | 1 | 0 |
| otpizjunahuy | 76561198074596253 | 5 | 0 |
| Otredys | 76561198158810989 | 1 | 0 |
| OtterWithaRifle | 76561198099074516 | 1 | 0 |
| otto | 76561198122293774 | 1 | 0 |
| OTTO | 76561198156604173 | 5 | 0 |
| Otto Di Catania | 76561198035163952 | 1 | 0 |
| Ottoman | 76561198804785681 | 2 | 0 |
| Otto Pästhnär | 76561198049083873 | 4 | 0 |
| OttuR | 76561198328749191 | 31 | 0 |
| oʇoʎʞ | 76561198252697250 | 1 | 0 |
| Ouchitburns | 76561197990786556 | 1 | 0 |
| ouens are sussing | 76561198043069529 | 1 | 0 |
| Oughie | 76561198044162109 | 1 | 0 |
| ouija | 76561199249275503 | 1 | 0 |
| Ouija | 76561198153957079 | 5 | 0 |
| Ouiji | 76561198047392834 | 1 | 0 |
| ouk. | 76561197960327577 | 1 | 0 |
| Oulsy | 76561198134530936 | 2 | 0 |
| Oumpa | 76561198145898126 | 30 | 0 |
| Ourox | 76561198055182244 | 1 | 0 |
| Ourthaglia | 76561198067003785 | 1 | 0 |
| Out_Brasil | 76561198383687171 | 2 | 0 |
| OutbUrst | 76561198817894870 | 3 | 0 |
| OutCast3k | 76561198316117242 | 6 | 0 |
| ▼OuterMinds | 76561198052198669 | 20 | 0 |
| outkast | 76561197960953489 | 14 | 0 |
| .Outlaw | 76561197995928782 | 1 | 0 |
| Outlaw777 | 76561198035585149 | 1 | 0 |
| outRun | 76561198418602420 | 7 | 0 |
| ov3rdr1ve | 76561198271622150 | 1 | 0 |
| Ovan | 76561198028461328 | 64 | 0 |
| Öveges József | 76561198257740495 | 1 | 0 |
| Oveneise | 76561198062528601 | 1 | 0 |
| over | 76561197990660854 | 2 | 0 |
| ovEr | 76561198056323565 | 2 | 0 |
| Overburdened with Indifference | 76561198273785388 | 1 | 0 |
| Overdese | 76561198140756003 | 166 | 0 |
| OverDose | 76561198006474771 | 1 | 0 |
| overdose142 | 76561198027808975 | 3 | 0 |
| Overdrive Ostrich | 76561198069657120 | 1 | 0 |
| Overgrow | 76561198063940609 | 1 | 0 |