| Title |
Publisher |
Year |
Language |
Documents |
| Once a King |
Darryn Lavery  , Mark Griffiths |
1988 |
English |
Solution |
| Onaar |
Robert DeFord |
2015 |
English |
Solution |
| On the Way to the Interview |
Commodore Computing International , Duckworth Home Computing |
1983 |
English |
Solution |
| On the Run |
Alfo Software |
1989 |
English |
|
| On the River Styx |
H. W. Williams |
? |
English |
|
| On the Other Side |
Antonio Márquez Marín |
2000 |
English |
|
| On the Loose |
Lucille F. Rock |
? |
English |
|
| On the Farm |
Lenny Pitts |
1999 |
English |
Solution |
| On the Adventure Trail |
Prentice Hall |
1984 |
English |
Solution |
| On Safari |
Micro Adventurer, Sunshine Books |
1984 |
English |
Solution, Map |
| On Reflection |
Cheese Freak Software |
2007 |
English |
Solution |
| On Optimism |
Zach Flynn |
2005 |
English |
Solution |
| On a Horse with No Name |
Greg Ewing |
2000 |
English |
Solution |
| Omotesando Adventure |
ASCII |
1982 |
English |
|
| Omniverse |
Computerware |
1986 |
English |
Map |
| OMNIQuest |
Chris Barden, Chris Ethridge |
1988 |
English |
Map, Hints |
| Ollie Ollie Oxen Free |
Carolyn VanEseltine |
2013 |
English |
|
| Olivia's Orphanorium |
Sam Kabo Ashwell |
2012 |
English |
|
| Oliver's Twist |
Asgard Software |
1988 |
English |
|
| Oldorf's Revenge |
Highlands Computer Services , Synergistic Software |
1980 |
English |
|
| Old West |
COMPUTE! Publications |
1984 |
English |
Solution |
| Old Sherwood Cemetary, The |
Duchess |
2002 |
English |
Solution, Map |
| Old Scores |
Global Software |
1985 |
English |
|
| Old Lady |
? |
1985 |
English |
|
| Old King Nebb |
Caleb Canby Wilson |
2020 |
English |
|
| Old Jim's Convenience Store |
Anssi Räisänen |
2019 |
English |
|
| Old House, The |
? |
? |
English |
Solution, Map |
| Old Fogey |
Simon Deimel |
2015 |
English |
|
| Old Father Time |
Bug-Byte Software |
1983 |
English |
Solution, Map, Hints |
| Old Classic Adventure, The |
Fritz Langhart |
2023 |
English |
|
| Old Castle, The |
Silly Software |
? |
English |
|
| Oklib's Revenge |
Syntax Adventure Magazine |
1992 |
English |
|
| Oily Deeps, The |
John Cater |
1999 |
English |
Solution, Map |
| Oh Shit! |
Dominic Morris |
1991 |
English |
Solution, Hints |
| Oh Man! |
? |
? |
English |
|
| Ogres |
Alan DeNiro |
2003 |
English |
|
| Ogre |
Richard Hunt |
? |
English |
|
| Og the Great |
Damian Steele |
1993 |
English |
Solution |
| Office Goose |
Liz Henry |
2019 |
English |
|
| Office Ahoy! |
Storme Winfield |
2003 |
English |
|
| Offensive Probing |
Benjamin Richard "Yahtzee" Croshaw |
1999 |
English |
Solution |
| Off-Season at the Dream Factory |
B. J. Best |
2021 |
English |
Solution, Map |
| Off the Trolley |
Krisztian Kaldi |
2005 |
English |
Solution |
| Of Their Shadows Deep |
Amanda Walker |
2022 |
English |
Solution |
| Of Forms Unknown |
Chris Markwyn |
1996 |
English |
|
| Odyssey, The |
Duckworth Home Computing |
1986 |
English |
Solution |
| Odyssey of Hope, The |
Martech Games |
1984 |
English |
Solution, Map |
| Odyssey |
Little Red Hen Software |
? |
English |
Solution, Map |
| Odinshrine |
Elise C. Boucher (Zosia the Pious) |
1986 |
English |
Solution |
| Odieus' Quest for the Magic Flingshot |
CTH Enterprises , Grim Reaper, The |
1988 |
English |
Solution |
