| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Odisea | Juana Pueblo Soft | 1990 | Spanish | |
| Odyssey of Hope, The | Martech Games | 1984 | English | Solution, Map |
| Odyssey, The | Duckworth Home Computing |
1986 | English | Solution |
| Ofrenda a la Pincoya | Sebastian Armas |
2008 | Spanish | |
| Olimpo en Guerra | Eduardo José Villalobos Galindo | 1989 | Spanish | Solution |
| Once and Future | Cascade Mountain Publishing | 1998 | English | Solution |
| Orfeo en los Infiernos | Xavi Carrascosa |
1997 | Spanish | |
| Orfeo y Euridice | 3PSOFT | 1991 | Spanish | |
| Orphee - Voyage Aux Enfers | Loriciels | 1985 | French | Solution |