| ESTUDIO | ES EMPRESA | MIEMBROS | FUNDADO | LOCALIDAD | ACTIVIDAD |
|---|---|---|---|---|---|
| Obscure Tales | 2018 | Sevilla (Sevilla) | |||
| Octavilla Games | 2018 | Sevilla (Sevilla) | |||
| Odders Lab | 2018 | Sevilla (Sevilla) | |||
| Ofihombre | 1 | 2015 | Gata de Gorgos (Alicante) | ||
| Oniric Factor | 2-5 | 2011 | Sevilla (Sevilla) | ||
| Out of the Blue Games | 2018 | Madrid (Madrid) | |||
| OveR Software | 2-5 | 2015 | Cartagena (Murcia) | ||
| Over the Top Games | 6-10 | 2008 | Madrid (Madrid) | ||
| OverPowered Team | 2-5 | 2014 | Madrid (Madrid) | ||
| OXiAB Game Studio | 2-5 | 2014 | (Barcelona) |