99		The Running Man (Action, Crime, Sci-Fi, 1987)
99		I, Robot (Action, Mystery, Sci-Fi, 2004)
99		The Chronicles of Riddick (Action, Adventure, Sci-Fi, 2004)
99		Death Race (Action, Sci-Fi, Thriller, 2008)
99		Terminator Salvation (Action, Adventure, Sci-Fi, 2009)
99		Soldier (Action, Drama, Sci-Fi, 1998)
99		Escape from New York (Action, Sci-Fi, 1981)
99		Wedlock (Action, Crime, Drama, Sci-Fi, 1991)
99		The 6th Day (Action, Mystery, Sci-Fi, 2000)
99		Timecop (Action, Crime, Sci-Fi, 1994)
99		Star Wars: Episode II - Attack of the Clones (Action, Adventure, Fantasy, Sci-Fi, 2002)
99		Terminator 3: Rise of the Machines (Action, Sci-Fi, 2003)
99		Runaway (Action, Crime, Sci-Fi, 1984)
99		No Escape (Action, Drama, Sci-Fi, 1994)
99		The Terminator (Action, Sci-Fi, 1984)
99		The One (Action, Sci-Fi, Thriller, 2001)
99		The Matrix Revolutions (Action, Sci-Fi, 2003)
99		Face/Off (Action, Crime, Sci-Fi, 1997)
99		RoboCop (Action, Crime, Sci-Fi, 1987)
99		Double Team (Action, Comedy, Sci-Fi, 1997)
99		Escape from L.A. (Action, Adventure, Sci-Fi, 1996)
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95		Pitch Black (Horror, Sci-Fi, 2000)
95		Demolition Man (Action, Crime, Sci-Fi, 1993)
93		Iron Man (Action, Adventure, Sci-Fi, 2008)
93		Star Wars: Episode V - The Empire Strikes Back (Action, Adventure, Fantasy, Sci-Fi, 1980)
92		The Black Hole (Action, Sci-Fi, 1979)
91		Total Recall (Action, Sci-Fi, 1990)
90		Outland (Action, Crime, Sci-Fi, 1981)
90		Total Recall (Action, Adventure, Mystery, Sci-Fi, 2012)
88		The Postman (Action, Adventure, Drama, Sci-Fi, 1997)
87		John Carter (Action, Adventure, Sci-Fi, 2012)
87		Doomsday (Action, Sci-Fi, Thriller, 2008)
87		Conquest of the Planet of the Apes (Action, Sci-Fi, 1972)
86		Titan A.E. (Animation, Action, Adventure, Sci-Fi, 2000)
85		Drive (Action, Adventure, Sci-Fi, 1997)
85		Escape Plan (Action, Crime, Mystery, Sci-Fi, 2013)
84		Mad Max: Fury Road (Action, Adventure, Sci-Fi, 2015)
82		Vice (Action, Adventure, Sci-Fi, 2015)
80		Highlander II: The Quickening (Action, Adventure, Fantasy, Sci-Fi, 1991)
80		X2 (Action, Adventure, Fantasy, Sci-Fi, 2003)
78		Hardware (Sci-Fi, Thriller, 1990)
77		Logan's Run (Action, Adventure, Sci-Fi, 1976)
77		TRON (Action, Adventure, Sci-Fi, 2010)
77		Æon Flux (Action, Sci-Fi, 2005)
77		The Maze Runner (Action, Mystery, Sci-Fi, 2014)
77		Equilibrium (Action, Drama, Sci-Fi, 2002)
76		Moon 44 (Action, Sci-Fi, Thriller, 1990)
75		Starship Troopers (Action, Sci-Fi, 1997)
75		Archon Defender (Animation, Action, Fantasy, Sci-Fi, 2009)
75		Our Man Flint (Action, Adventure, Comedy, Sci-Fi, 1966)
74		Darkman (Action, Crime, Fantasy, Sci-Fi, 1990)
72		Dredd (Action, Sci-Fi, 2012)
72		Ender's Game (Action, Sci-Fi, 2013)
72		In Time (Action, Sci-Fi, Thriller, 2011)
71		The Ice Pirates (Action, Adventure, Comedy, Sci-Fi, 1984)
70		Megamind (Animation, Action, Comedy, Sci-Fi, 2010)
70		Looper (Action, Crime, Drama, Sci-Fi, 2012)
68		Firestarter (Action, Horror, Sci-Fi, 1984)
68		Serenity (Action, Adventure, Sci-Fi, 2005)
68		Fortress 2 (Action, Sci-Fi, 2000)
68		Minority Report (Action, Mystery, Sci-Fi, 2002)
67		X-Men Origins: Wolverine (Action, Adventure, Sci-Fi, 2009)
67		THX 1138 (Crime, Drama, Sci-Fi, 1971)
67		The Watch (Action, Comedy, Sci-Fi, 2012)
67		Captain America (Action, Adventure, Sci-Fi, 1944)
67		Vampire Hunter D (Animation, Action, Fantasy, Sci-Fi, 1985)
65		Starman (Romance, Sci-Fi, 1984)
65		Undead (Action, Comedy, Horror, Sci-Fi, 2003)
65		The Island (Action, Adventure, Romance, Sci-Fi, 2005)
65		Shank (Action, Comedy, Crime, Sci-Fi, 2010)
65		Underworld: Rise of the Lycans (Action, Adventure, Fantasy, Sci-Fi, 2009)
65		Suicide Squad (Action, Adventure, Crime, Sci-Fi, 2016)
64		Turkey Shoot (Drama, Horror, Sci-Fi, 1982)
62		Beneath the Planet of the Apes (Action, Adventure, Sci-Fi, 1970)
62		Terminator Genisys (Action, Adventure, Sci-Fi, 2015)
62		Westworld (Action, Sci-Fi, Thriller, 1973)
62		Jurassic City (Action, Sci-Fi, Thriller, 2015)
62		Robot Overlords (Action, Adventure, Sci-Fi, 2014)
62		TRON (Action, Adventure, Sci-Fi, 1982)
62		Star Trek: Nemesis (Action, Adventure, Sci-Fi, 2002)
60		Repo Men (Action, Crime, Sci-Fi, 2010)
60		The Time Guardian (Action, Romance, Sci-Fi, 1987)
60		Chappie (Action, Crime, Drama, Sci-Fi, 2015)
60		Freejack (Action, Crime, Sci-Fi, 1992)
58		Retroactive (Action, Crime, Drama, Sci-Fi, 1997)
58		Star Trek (Action, Adventure, Sci-Fi, 2009)
58		X-Men (Action, Adventure, Sci-Fi, 2000)
57		The Transformers: The Movie (Animation, Action, Adventure, Sci-Fi, 1986)
57		Eliminators (Action, Adventure, Fantasy, Sci-Fi, 1986)
57		Attack the Block (Action, Comedy, Sci-Fi, 2011)
57		Self/less (Action, Mystery, Sci-Fi, 2015)
57		Returner (Action, Adventure, Sci-Fi, 2002)
57		Babylon A.D. (Action, Adventure, Sci-Fi, 2008)
57		Elysium (Action, Drama, Sci-Fi, 2013)
57		Alien³ (Action, Horror, Sci-Fi, 1992)
57		The Chain Reaction (Action, Drama, Sci-Fi, 1980)
57		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
55		Resident Evil: Afterlife (Action, Adventure, Horror, Sci-Fi, 2010)
55		Planet of the Apes (Adventure, Romance, Sci-Fi, 1968)
55		Eyeborgs (Action, Crime, Sci-Fi, 2009)
55		Bruce Gentry (Action, Adventure, Crime, Sci-Fi, 1949)
55		Men in Black 3 (Action, Adventure, Comedy, Sci-Fi, 2012)
54		Critters 4 (Comedy, Horror, Sci-Fi, 1992)
54		Solarbabies (Action, Drama, Sci-Fi, 1986)
54		A Clockwork Orange (Crime, Drama, Sci-Fi, 1971)
54		Zombie Strippers (Comedy, Horror, Sci-Fi, 2008)
53		Dark City (Action, Drama, Fantasy, Sci-Fi, 1998)
53		Red Planet (Action, Sci-Fi, Thriller, 2000)
52		The Wolverine (Action, Adventure, Sci-Fi, 2013)
52		Resident Evil: Apocalypse (Action, Horror, Sci-Fi, 2004)
52		Star Trek VI: The Undiscovered Country (Action, Adventure, Sci-Fi, 1991)
52		Cowboy Bebop: The Movie (Animation, Action, Crime, Sci-Fi, 2001)
52		Vampire Hunter D: Bloodlust (Animation, Action, Adventure, Sci-Fi, 2000)
52		The Last Chase (Action, Adventure, Sci-Fi, 1981)
52		Mad Max (Action, Adventure, Sci-Fi, 1979)
52		The Satan Bug (Crime, Mystery, Sci-Fi, 1965)
52		Push (Action, Sci-Fi, Thriller, 2009)
51		The Final Sanction (Action, Sci-Fi, 1990)
50		Pandorum (Action, Horror, Mystery, Sci-Fi, 2009)
50		Superman II (Action, Adventure, Romance, Sci-Fi, 1980)
50		Crank: High Voltage (Action, Crime, Sci-Fi, 2009)
49		Wheels of Fire (Action, Adventure, Sci-Fi, 1985)
49		Paul (Adventure, Comedy, Sci-Fi, 2011)
49		Splinter (Horror, Sci-Fi, Thriller, 2008)
49		Quarantine (Horror, Sci-Fi, Thriller, 2008)
49		Code 46 (Drama, Romance, Sci-Fi, 2003)
49		The Giver (Drama, Romance, Sci-Fi, 2014)
49		SOS Coast Guard (Adventure, Romance, Sci-Fi, 1937)
49		Zardoz (Fantasy, Sci-Fi, 1974)
49		Silent Running (Drama, Sci-Fi, 1972)
48		The Raiders of Atlantis (Action, Sci-Fi, 1983)
48		Slipstream (Adventure, Sci-Fi, 1989)
48		The Handmaid's Tale (Drama, Romance, Sci-Fi, 1990)
48		Flatliners (Drama, Horror, Sci-Fi, 1990)
47		Snowpiercer (Action, Drama, Sci-Fi, 2013)
47		Night Wars (Horror, Sci-Fi, War, 1988)
47		The Final Cut (Action, Sci-Fi, Thriller, 2004)
47		Future Justice (Action, Sci-Fi, 2014)
47		The Scorch Trials (Action, Sci-Fi, Thriller, 2015)
47		Brazil (Drama, Sci-Fi, 1985)
47		1990: The Bronx Warriors (Action, Sci-Fi, Thriller, 1982)
46		Avatar (Action, Adventure, Fantasy, Sci-Fi, 2009)
46		Paprika (Animation, Adventure, Crime, Sci-Fi, 2006)
46		Blade Runner (Sci-Fi, Thriller, 1982)
45		Allegiant (Action, Adventure, Mystery, Sci-Fi, 2016)
45		Mysterious Doctor Satan (Adventure, Action, Crime, Sci-Fi, 1940)
45		Doctor Mordrid (Action, Fantasy, Horror, Sci-Fi, 1992)
45		Impostor (Drama, Mystery, Sci-Fi, 2001)
45		Split (Action, Crime, Sci-Fi, 2004)
45		Immortel (ad vitam) (Animation, Action, Crime, Sci-Fi, 2004)
44		Judge Dredd (Action, Crime, Sci-Fi, 1995)
44		Crawlspace (Horror, Mystery, Sci-Fi, 2012)
44		Idiocracy (Adventure, Comedy, Sci-Fi, 2006)
44		Z.P.G. (Sci-Fi, Thriller, 1972)
44		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
44		Future Zone (Action, Crime, Sci-Fi, 1990)
44		Undersea Kingdom (Sci-Fi, Adventure, 1936)
44		Saturn 3 (Adventure, Sci-Fi, Thriller, 1980)
44		The Misadventures of Merlin Jones (Family, Comedy, Sci-Fi, 1964)
44		RoboCop 2 (Action, Crime, Sci-Fi, 1990)
44		Johnny Mnemonic (Action, Crime, Sci-Fi, 1995)
44		Virtuosity (Action, Crime, Sci-Fi, 1995)
44		Congo (Action, Adventure, Mystery, Sci-Fi, 1995)
43		Wicked City (Animation, Fantasy, Horror, Sci-Fi, 1987)
43		Gattaca (Drama, Sci-Fi, Thriller, 1997)
43		Alien Nation (Action, Crime, Sci-Fi, 1988)
43		Repo Man (Comedy, Crime, Sci-Fi, 1984)
42		The Arrival (Sci-Fi, Thriller, 1996)
42		Paycheck (Action, Mystery, Sci-Fi, 2003)
42		Automata (Action, Sci-Fi, Thriller, 2014)
42		Until the End of the World (Action, Drama, Sci-Fi, 1991)
42		Death Race 2000 (Action, Comedy, Sci-Fi, 1975)
42		Battletruck (Action, Adventure, Sci-Fi, 1982)
42		Resident Evil (Action, Horror, Sci-Fi, 2002)
42		Rollerball (Action, Sci-Fi, Sport, 1975)
42		Liar's Pendulum (Action, Sci-Fi, Thriller, 2007)
42		Alien Warrior (Action, Crime, Sci-Fi, 1986)
42		Real Steel (Action, Drama, Sci-Fi, 2011)
41		Metropolis (Animation, Adventure, Drama, Sci-Fi, 2001)
41		Alien (Horror, Sci-Fi, 1979)
41		Waterworld (Action, Adventure, Sci-Fi, 1995)
41		eXistenZ (Horror, Sci-Fi, Thriller, 1999)
41		Robot Jox (Action, Sci-Fi, 1989)
41		Baby: Secret of the Lost Legend (Family, Adventure, Sci-Fi, 1985)
40		Equalizer 2000 (Action, Adventure, Sci-Fi, 1987)
40		The Green Hornet (Action, Crime, Sci-Fi, 1974)
40		Sky Blue (Action, Fantasy, Animation, Sci-Fi, 2003)
40		Dick Barton Strikes Back (Action, Crime, Sci-Fi, 1949)
40		Bionic Boy (Action, Crime, Sci-Fi, 1977)
40		Yeseuteodei (Action, Crime, Sci-Fi, 2002)
40		Death Collector (Action, Sci-Fi, Western, 1988)
40		RoboCop (Action, Crime, Sci-Fi, 2014)
40		The Lawless Land (Sci-Fi, Action, Adventure, 1988)
40		Lost Planet Airmen (Action, Crime, Sci-Fi, 1951)
40		The Curse of Babylon (Action, Crime, Sci-Fi, 2011)
39		Subject 87 (Horror, Sci-Fi, 2007)
39		28 Weeks Later (Drama, Horror, Sci-Fi, 2007)
39		The Signal (Horror, Sci-Fi, Thriller, 2007)
39		Poison (Drama, Horror, Sci-Fi, 1991)
39		Heartbeeps (Sci-Fi, Comedy, 1981)

Notes: Movies similar to Fortress, Movies like Fortress, Action, Crime, Sci-Fi, Stuart Gordon, Christopher Lambert, Loryn Locklin, Kurtwood Smith, Clifton Collins Jr., SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities