| Title |
Publisher |
Year |
Language |
Documents |
| O Zone, The |
Compass Software  |
1986 |
English |
Solution, Hints |
| O-Level Caper, The |
Phoenix Software [1]  |
1983 |
English |
|
| Oasis of Shalimar |
Mountain Valley Software  |
1982 |
English |
Solution, Map |
| Obscure Naturalist, The |
Peter Hague |
1990 |
English |
|
| Occhio del Diavolo, L' |
Arcadia S.r.l., Load 'n' Run  |
1986 |
Italian |
Solution, Map |
| Occult Connection, The |
David Munden |
1993 |
English |
|
| Ocean Dancer |
King Software |
1984 |
English |
Solution, Map |
| Ocean Hunt |
Molimerx  |
1983 |
English |
Solution |
| Oceana |
Philip Boswell |
1993 |
English |
|
| OCI |
Tearsoft |
1988 |
English |
|
| October 31st |
Finn Rosenløv |
2022 |
English |
Solution |
| Odessy |
Brendan Clarke |
1986 |
English |
Solution |
| Odieus' Quest for the Magic Flingshot |
CTH Enterprises , Grim Reaper, The  |
1988 |
English |
Solution |
| Odinshrine |
Elise C. Boucher (Zosia the Pious)  |
1986 |
English |
Solution |
| Odyssey of Hope, The |
Martech Games |
1984 |
English |
Solution, Map |
| Offensive Probing |
Benjamin Richard "Yahtzee" Croshaw  |
1999 |
English |
Solution |
| Og the Great |
Damian Steele |
1993 |
English |
Solution |
| Oh Man! |
? |
? |
English |
|
| Oh Shit! |
Dominic Morris |
1991 |
English |
Solution, Hints |
| Oklib's Revenge |
Syntax Adventure Magazine |
1992 |
English |
|
| Old Classic Adventure, The |
Fritz Langhart |
2023 |
English |
|
| Old House, The |
? |
? |
English |
Solution, Map |
| Old Scores |
Global Software |
1985 |
English |
|
| Old West |
COMPUTE! Publications |
1984 |
English |
Solution |
| Oldorf's Revenge |
Highlands Computer Services , Synergistic Software |
1980 |
English |
|
| Olga I |
Christoph Lütge  |
1985 |
German |
|
| Olimpo en Guerra |
Eduardo José Villalobos Galindo |
1989 |
Spanish |
Solution |
| OMNIQuest |
Chris Barden, Chris Ethridge |
1988 |
English |
Map, Hints |
| Omotesando Adventure |
ASCII  |
1982 |
English |
|
| On the Other Side |
Antonio Márquez Marín  |
2000 |
English |
|
| On the Run |
Alfo Software |
1989 |
English |
|
| On the Way to the Interview |
Commodore Computing International , Duckworth Home Computing  |
1983 |
English |
Solution |
| Once a King |
Darryn Lavery , Mark Griffiths |
1988 |
English |
Solution |
| Once a Knight is Enough |
Amster Productions |
1991 |
English |
|
| Ondskans Spegel |
? |
? |
Swedish |
|
| One for the Road |
ANALOG Computing  |
1985 |
English |
Solution, Map |
| One Last Thing |
Dee Cooke  |
2020 |
English |
Solution, Map |
| One of Our Wombats is Missing |
Zenobi Software  |
1990 |
English |
Solution |
| One Room |
Coco-Cassette, T&D Subscription Software |
1987 |
English |
|
| One Room |
Falsoft Inc  |
1982 |
English |
Solution, Map |
| Onirische Garten, Der |
Dara |
2018 |
German |
|
| Only Possible Prom Dress, The |
Jim Aikin |
2022 |
English |
Map |
| Ontsnapping uit Colditz |
? |
? |
Dutch |
Solution, Map |
| Onyton Adventures, The |
Leversoft |
1987 |
English |
|
| Onyx |
Utopia Software [1]  |
1990 |
Czech |
|
| Opaline |
Interactive Technology  |
1990 |
English |
|
| Open Door, The |
Tartan Software  |
1987 |
English |
Solution, Map |
| Operation Blue Sunrise |
Colin Campbell  |
1990 |
English |
|
| Operation Colossus |
Omega Software |
1985 |
English |
Solution, Map |
| Operation Safras |
Shards Software |
1983 |
English |
Solution |