Check out the top rated FPS abandonware games, based on user ratings.
Unreal Tournament
Windows, Mac, Linux
1999
X-COM: Alliance
Windows
2002
X-Men: The Ravages of Apocalypse
DOS
1997
Backlash: A Turret Gunner Simulation
DOS
1995
Battle Beadman
Windows
2005
Blood Bath at Red Falls
Windows, Mac
1997
Bug Busters
Windows
2002
Exterminator
DOS, Commodore 64, Amiga, ZX Spectrum, Amstrad CPC and 2 more...
1990
Lethal Tender
DOS
1993
Lock-On
PC Booter, Atari ST, Arcade
1988
MacWars
Mac
1986
Marathon Infinity
Mac
1996
Marathon Trilogy Box Set
Mac
1997
Moon Blaster
DOS, Amiga, Amstrad CPC, Atari ST
1990
NetWars
DOS
1993
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