The Adventures of Peter Patzer, Who Sought Masterhood and Returned Not Quite the Same by John C. Knudsen 2003

Alesian Plains, by Paul Allen Panks (2004)

All Visitors Welcome by Bitter Karella 2017 (4 ratings)

Amazing Quest by Nick Montfort 2020 (24 ratings)

Aphrodite's Orphan, by Thomas La Homme (2020)
(5 ratings)

The Arkham Abomination, by catventure (2021)
(5 ratings)

An Arrest by Ambrose Bierce and IF Classics 2014 (1 rating)

Art D's First Batch Adventure, by Arthur DiBianca (1997)
(2 ratings)

Art D's Next Batch Adventure, by Arthur DiBianca (1997)
(2 ratings)

Art D's Third Batch Adventure, by Arthur DiBianca (1997)
(2 ratings)

Arthur by piratescarfy 2015 (3 ratings)

Arthur Yahtzee: The Curse of Hell's Cheesecake, by Ben Croshaw (2000)
(2 ratings)

Arthur's Day Out, by Jason Oakley (2021)
(5 ratings)

At King Arthur's Christmas Feast by Travis Moy 2021 (9 ratings)

Attempted Assassination, by Matt Slotnick (2005)

Aural Quest by Mike E. Turner 1984

Avantus: The Island, Part I by Connor Wade 2013

Aventura Pirata by Mauricio Diaz Garcia 2012 (1 rating)

Awakening of the Tower (Roguelike RPG) by Negative 2016 (3 ratings)

The Axe of Kolt by Larry Horsfield 1990 (6 ratings)