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?
inca2-3

Inca 2: Wiracocha

DOS19944.2/5 Coktel Vision
iwar-1-02

Independence War

Windows XP/98/951997protected3.9/5 Particle Systems
iwar2-05

Independence War 2: Edge Of Chaos

Windows XP/98/952001protected4/5 Particle Systems
infestation-02

Infestation

DOS19904/5 Psygnosis
innocentcaught-1

Innocent Until Caught

DOS19934.1/5 Divide by zero
interphase-01

Interphase

DOS19894/5 The Assembly Line
interpose-03

Interpose

DOS19963.5/5 Twilight Zone Software
invaders78-03

Invaders 78

DOS2000freewareremake4.2/5
invasionbatsdoom-1

Invasion of the Mutant Space Bats of Doom

DOS19953.8/5 Pop Software
iron-blood-02

Iron Blood

DOS19964.1/5 Family Production
iron-seed-02

Iron Seed

DOS1994freeware3.8/5
iskib-03

Iskib

DOS19892.7/5
it-came-from-the-desert-06

It Came from the Desert

DOS1990freeware4.1/5 Cinemaware
It Came from the Desert is an abandonware action-adventure game developed by Cinemaware and released in 1990 for PC (DOS) and Amiga. It Came From the Desert is an action-adventure game with a peculiar flavor: it's set in the 50s, in the USA, and it's based on those old monster movies like Them! (also involving killer ants).
janitor-joe-02

Janitor Joe

DOS19843/5
jazzjackrabbit-7

Jazz Jackrabbit

DOS1994protected3.7/5 Epic MegaGames
jazz-jackrabbit-holiday-hare-06

Jazz Jackrabbit Holiday Hare

DOS1994protected3.9/5 Epic MegaGames
jetpack-1

Jetpack

DOS1993freeware4/5
jurassic-park-04

Jurassic Park

DOS19934.1/5 Ocean Software
kaeon-02

Kaeon

DOS19923.5/5
krazy-ivan-02

Krazy Ivan

Windows XP/98/9519963.6/5 Psygnosis
kronolog-nazi-paradox-1

Kronolog: The Nazi Paradox

DOS19933.6/5 Castleworks Gameware
eternauta-02

L'Eternauta: Gli Invasori della Città Eterna

DOS19942.9/5 Holodream Software
lane-mastodon-02a

Lane Mastodon vs. the Blubbermen

DOS19884/5 Tom Snyder Productions
laser-squad-07

Laser Squad

DOS19923.9/5 Target Games Limited
Laser Squad is an abandoned turn-based strategy/tactical game designed by Julian Gollop (the mind behind the X-COM series). Laser Squad was developed by Target Games Limited and released by MicroLeague Multimedia in 1992 for DOS and other 8-bit systems. Laser Squad is considered as a precursor of X-COM: Ufo Defense.
laser-wars-01

Laserwars

DOS19943.3/5
last-duel-03

Last Duel: Inter Planet War 2012

DOS19893.4/5 Capcom
leather-goddesses-of-phobos-04

Leather Goddesses of Phobos

DOS19864.2/5 Infocom
leather-goddesses-of-phobos-2-07

Leather Goddesses of Phobos 2

DOS1992NSFW4/5 Infocom