Sci-fi / futuristic DOS games you can play online, free in your browser. All 167 titles here start instantly, with nothing to install.
They span 1982 to 2019 and lean towards action, adventure and strategy / tactics.
3D Baller1996 · Action
Abuse1995 · Action
Albion1996 · Role-playing (RPG)
Alien Alley1994 · Action
Alien Breed1993 · Action
Alien Breed: Tower Assault1994 · Action
Alien Cabal1997 · Action
Alien Incident1996 · Adventure
Alien Rampage1996 · Action
Alien Trilogy1996 · Action
Amazon1984 · Adventure4.0
Arctic Baron (Transarctica)1993 · Strategy / tactics
Ascendancy1995 · Strategy / tactics
B.A.T. 2: The Koshan Conspiracy1992 · Adventure
Battle Isle1991 · Strategy / tactics
Battlecruiser 3000AD1996 · Simulation
Bedlam (1988)1988 · Action
Bedlam 2: Absolute Bedlam1997 · Action
Bio Menace1993 · Action
Bionic Commando1988 · Action
Blackthorne1994 · Action
Blake Stone: Aliens of Gold1993 · Action
Blake Stone: Planet Strike1994 · Action
C-Dogs1997 · Action
Cannon Fodder 21994 · Action
Captain Blood1988 · Adventure
Chasm: The Rift1997 · Action
Chex Quest 21996 · Action
Cold Dreams1995 · Action
Colony 281997 · Action
Commander Keen 1: Marooned on Mars1990 · Action
Commander Keen 2: The Earth Explodes1990 · Action
Commander Keen 3: Keen Must Die!1990 · Action
Commander Keen 4: Secret of the Oracle1991 · Action
Commander Keen 5: The Armageddon Machine1991 · Action
Commander Keen 6: Aliens Ate My Baby Sitter!1991 · Action
Commander Keen 8: Dead in the Desert2009 · Action
Cosmic Crusader1982 · Action
Cosmo's Cosmic Adventure1992 · Action
CRASH1996 · Action
Crusader: No Regret1996 · Action
Crusader: No Remorse1995 · Action
Crystal Caves1991 · Action
Cyberia1994 · Action
Cyberia 2: Resurrection1995 · Action
Dark Century1990 · Action
Dark Moon1999 · Action
Dark Seed1992 · Adventure
Descent1995 · Action
Descent II1996 · Action
Descent: Anniversary Edition1996 · Action
Diggers1994 · Action
DOOM1993 · Action5.0
DOOM 2D1996 · Action
DOOM 42019 · Action
Duke Nukem II1993 · Action
Duke Nukum: Episode 2 - Mission: Moonbase1991 · Action
Dune1992 · Adventure
Dune II: The Building of a Dynasty1992 · Strategy / tacticsDune III1995 · Strategy / tactics