Développeurs Steam avec la lettre O - Page 21
| Nom | Nombre d'applications |
|---|---|
| Ouatte | 2 |
| Oribe Ware | 2 |
| Obelisk Studio | 2 |
| Ocean Tiger Games LLC | 2 |
| Omni Games | 2 |
| Okinawa Sunrise | 2 |
| Orius Games | 2 |
| Oilcatz | 2 |
| Oneiric Tales | 2 |
| Otakulah | 2 |
| Otter Worlds Games | 2 |
| Orbitami Entertainment | 2 |
| Overcast | 2 |
| Overcode Games | 2 |
| Ornbjorn | 2 |
| Ocumens LLC | 2 |
| Olgu Cerit | 2 |
| Old Apes | 2 |
| Ozaak, inc. | 2 |
| Owinka | 2 |