Abandonware DOS title

Science fiction games

Time travel, space wars, alien empires, alternate universe, cyberpunk anti-heroes, space invaders, post-apocalyptic worlds, dystopian societies, mad scientists, galaxies far far away, strange new worlds, mech battles, deep space exploration, evil robots... should I go on?
anachronox-06

Anachronox

Windows XP/98/952001protected4.1/5 Ion Storm
anacreon-1

Anacreon: Reconstruction 4021

DOS1987freeware3.9/5 Thinking Machine Associates
Anacreon: Reconstruction 4021 is one of the first 4x turn-based strategy games, ASCII based. Anacreon is set in space, as most 4x sci-fi games are, and was published by Thinking Machines Associates and designed by George Moromisato who later re-released the game as freeware.
anotherworld-4

Another World

DOS1991protected4.1/5 Delphine software
apachestrike-3

Apache strike

DOS19893.3/5 Activision
apollo18-01

Apollo 18: Mission to the Moon

DOS19874/5 Artech Studios
aquanox1-05

Aquanox

Windows XP/98/952001protected3.1/5 Massive Development
arcanum-10

Arcanum: of Steamworks and Magick Obscura

DOS2001protected4.2/5 Troika Games
archimedean-dinasty-06

Archimedean Dynasty

DOS1996protected4/5 Massive Development
archipelagos-1

Archipelagos

DOS19894/5 Astral Software
arctic-fox-05

Arctic Fox

DOS19873.9/5 Dynamix
arkanoid-1

Arkanoid

DOS19884.1/5 Taito
Arkanoid is a classic arcade video game that was first released in 1986 by Taito. It is a breakout-style game, which means that the primary objective is to break a wall of bricks or blocks by bouncing a ball off a paddle at the bottom of the screen. The game takes its name and inspiration from Atari's Breakout, which was released in the 1970s. ...
arkanoid2-1

Arkanoid 2: The Revenge of Doh

DOS19894.1/5 Taito
armada2525-02

Armada 2525

DOS19913.3/5
armour-geddon-04

Armour-Geddon

DOS19923.9/5 Psygnosis
arrakis-05

Arrakis

DOS20003.9/5
ascendancy-02

Ascendancy

DOS19954.2/5 The Logic Factory
Ascendancy is a science fiction themed turn-based strategy game developed by The Logic Factory and released in 1995 for DOS. Ascendancy is a classic 4X game (eXpand, eXplore, eXploit, eXterminate), similar to Master of Orion, yet with a few differences such as a technology tree.
ascii-sector-02

Ascii Sector

WindowsLinuxDOS2007freeware3.8/5
astro-dodge-1

Astro Dodge

DOS19823.6/5 Digital Marketing Corporation
astrofire-3

Astro Fire

DOS1994freewareremake3.8/5 ORT Software
astrotit-1

Astrotit

DOS1987NSFW3.5/5 Rudeware
attack-mutant-camels-03

Attack of the Mutant Camels

DOS2001freewareremake3.8/5
autobots-1

Autobots

DOS19893.2/5
auto-duel-05

Autoduel

DOS19853.8/5 Origin Systems
Autoduel is an abandoned top-down open world post apocalyptic RPG/driving game hybrid designed by Chuck Bueche and Richard Garriott of Ultima fame. Autoduel was developed by Origin Systems and was released in 1985 for DOS, Atari 8-bit, Atari ST, C64, Apple II, Macintosh, Amiga. Autoduel is based on a board game designed by Steve Jackson himself.
bat-4

B.A.T.

DOS19903.9/5 Computer's dream
bat2-1

B.A.T. 2 : The Koshan Conspiracy

DOS19924.2/5 Computer's dream
baal-04

Baal

DOS19892.9/5 Psygnosis
bab5-found-her-03

Babylon 5: I've Found Her

Windows XP/98/952003freeware3.9/5 Space Dream Factory
back-to-the-future-2-06

Back to the Future Part 2

DOS19903.8/5 Images Software
bad-blood-03

Bad Blood

DOS19904.2/5 Origin Systems
bargonattack-1

Bargon Attack

DOS19923.7/5 Coktel Vision