Éditeurs de vapeur avec la lettre O - Page 65
| Nom | Nombre d'applications |
|---|---|
| Owlbear | 1 |
| OM ENTERTAINMENT | 1 |
| ORBI Games | 1 |
| Owlnight | 1 |
| Orbital Knight | 1 |
| Orrery Games | 1 |
| Orbital Speed Stidio Co.,Ltd. | 1 |
| Orbital Speed Studio Co.,Ltd. | 1 |
| One Percent Games LLC | 1 |
| Optic Scatter Games | 1 |
| OST Senior | 1 |
| OLV | 1 |
| Ombarus Dev | 1 |
| Orfeas Eleftheriou | 1 |
| Olsc | 1 |
| OneOneGames | 1 |
| Otaku's Industry | 1 |
| Offy D Corp | 1 |
| Oak Lane Media | 1 |
| Overlord Game Studio | 1 |