Video Game Developers: O
| Developer | Games Developed |
|---|---|
| O-Games | 3 |
| Obsidian Entertainment | 12 |
| Old School Games | 3 |
| Omega Force | 18 |
| Open Emotion Studios | 3 |
| Opus | 3 |
| Opus Studio | 1 |
| Developer | Games Developed |
|---|---|
| O-Games | 3 |
| Obsidian Entertainment | 12 |
| Old School Games | 3 |
| Omega Force | 18 |
| Open Emotion Studios | 3 |
| Opus | 3 |
| Opus Studio | 1 |