| Title |
Publisher |
Year |
Language |
Documents |
| On Safari |
Micro Adventurer, Sunshine Books |
1984 |
English |
|
| On the Adventure Trail |
Prentice Hall |
1984 |
English |
Solution |
| On the Way to the Interview |
Commodore Computing International  , Duckworth Home Computing |
1983 |
English |
Solution |
| One for the Road |
ANALOG Computing |
1985 |
English |
Solution, Map |
| One Room |
Falsoft |
1983 |
English |
Solution, Map |
| Opal Lily, The |
McGraw-Hill Book Company UK |
1984 |
English |
Solution |
| Operation Kristos |
Computer and Video Games |
1986 |
English |
Solution |
| Operation Mainframe |
Argus Specialist Publications, Home Computing Weekly |
1985 |
English |
|
| Operation: Ocean Master |
Falsoft |
1988 |
English |
|
| Operation: Sabotage |
Guild Adventure Software, The , SoftSide Publications |
1982 |
English |
Solution, Map, Fixed game |
| Orb, The |
A&B Computing |
1986 |
English |
Solution |
