| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Occhio del Diavolo, L' | Arcadia S.r.l., Load 'n' Run |
1986 | Italian | Solution, Map |
| Operazione Ladro | Arcadia S.r.l., Load 'n' Run |
1986 | Italian | Map, Solution |
| Oriental | Arcadia S.r.l., Load 'n' Run |
1986 | Italian | Solution, Map |
| Orson Powell: Lycanthropus | Viking |
1987 | Italian | Solution |