Agent 99 by Alkoholsoft 1988

Agent de la Paix Terrestre by FibreTigre 2008 (5 ratings)

Agent of Order, by Mizal (2018)
(6 ratings)

Agent Toast, by Lukas Rachunek (1992)

Aggravatron, by Ben Parrish (2001)
(3 ratings)

Agoraphobia by ArcticYetiWampa 2013 (1 rating)

AI Dungeon, by Nick Walton (2019)
(9 ratings)

Ailihphilia by Andrew Schultz (as N. Y. Llewellyn) 2018 (6 ratings)

Ainimus by gjudic

Aircraft, by László Magyar (1993)

The Airport, by Cascadian_Patriot (2008)
(4 ratings)

Aisle by Sam Barlow 1999 (304 ratings)

Ajana Path by Sumana 2017

Ajiaco by Matthias Conrady, Carolina Arciniegas 2014 (2 ratings)

Akabane Nights, by Dobromir Harrison (2013)
(5 ratings)

Akbarr by Andres Viedma Pelaez 1991

Akbarr PC, by Andrés Viedma Peláez, Adriano Viedma Peláez, and Mojon (2000)

Akce KGB, by Alesoft (1990)

Akkoteaque by Anthony Casteel 2013 (4 ratings)

Akron, by Markus Kolic (2000)
(1 rating)