| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Observatoire, L' | Stéphane F |
2016 | French | |
| Oeil de Set, L' | Ubi Soft | 1987 | French | Solution |
| Omeyad | Ubi Soft | 1989 | French | |
| Opium | Ludia | 1985 | French | |
| Or des Azteques, L' | ? | 1994 | French | Map, Solution |
| Orphee - Voyage Aux Enfers | Loriciels | 1985 | French | Solution |
| Oxphar | ERE Informatique | 1987 | French | Solution |