92		The Thing (Horror, Mystery, Sci-Fi, 2011)
85		The X Files: I Want to Believe (Drama, Mystery, Sci-Fi, 2008)
70		Sphere (Drama, Mystery, Sci-Fi, 1998)
70		Contact (Drama, Mystery, Sci-Fi, 1997)
68		Close Encounters of the Third Kind (Drama, Sci-Fi, 1977)
67		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
63		The Arrival (Sci-Fi, Thriller, 1996)
62		Returner (Action, Adventure, Sci-Fi, 2002)
62		Blade: Trinity (Action, Adventure, Fantasy, Sci-Fi, 2004)
60		Virus (Action, Horror, Thriller, Sci-Fi, 1999)
60		10 Cloverfield Lane (Drama, Horror, Mystery, Sci-Fi, 2016)
59		Species (Action, Horror, Romance, Sci-Fi, 1995)
58		Independence Day (Action, Adventure, Sci-Fi, 1996)
58		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
58		I Am Legend (Drama, Horror, Sci-Fi, 2007)
58		Dark Breed (Action, Horror, Sci-Fi, 1996)
57		The Manchurian Candidate (Drama, Mystery, Sci-Fi, 2004)
56		28 Days Later... (Drama, Horror, Sci-Fi, 2002)
56		Ex Machina (Drama, Mystery, Sci-Fi, 2015)
55		Dreamcatcher (Drama, Horror, Sci-Fi, 2003)
55		51 Degrees North (Drama, Mystery, Sci-Fi, 2015)
55		Travelling Salesman (Drama, Mystery, Sci-Fi, 2012)
54		The Thing (Horror, Mystery, Sci-Fi, 1982)
54		2001: A Space Odyssey (Adventure, Mystery, Sci-Fi, 1968)
54		Them! (Horror, Sci-Fi, 1954)
54		Alien Nation (Action, Crime, Sci-Fi, 1988)
54		Armageddon (Action, Adventure, Sci-Fi, 1998)
54		Species II (Action, Horror, Sci-Fi, 1998)
54		Impostor (Drama, Mystery, Sci-Fi, 2001)
53		Arrival (Drama, Mystery, Sci-Fi, 2016)
53		Twelve Monkeys (Mystery, Sci-Fi, Thriller, 1995)
52		The Satan Bug (Crime, Mystery, Sci-Fi, 1965)
52		Quarantine 2: Terminal (Horror, Mystery, Sci-Fi, 2011)
52		Smilla's Sense of Snow (Action, Drama, Sci-Fi, 1997)
52		Prometheus (Adventure, Mystery, Sci-Fi, 2012)
52		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
52		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
50		Cypher (Mystery, Romance, Sci-Fi, 2002)
50		I'll Follow You Down (Drama, Mystery, Sci-Fi, 2013)
50		Paycheck (Action, Mystery, Sci-Fi, 2003)
50		Mulberry St (Horror, Sci-Fi, Thriller, 2006)
50		Weaverfish (Drama, Horror, Romance, Sci-Fi, 2013)
49		Capricorn One (Action, Sci-Fi, Thriller, 1977)
49		Lifeforce (Action, Horror, Sci-Fi, 1985)
49		Area 51 (Horror, Sci-Fi, Thriller, 2015)
49		Alien Outpost (Action, Sci-Fi, Thriller, 2014)
48		Pulse (Drama, Horror, Sci-Fi, 2006)
47		The Faculty (Horror, Mystery, Sci-Fi, 1998)
47		Split Second (Action, Crime, Horror, Sci-Fi, 1992)
47		Soylent Green (Mystery, Sci-Fi, Thriller, 1973)
47		Strange Invaders (Horror, Mystery, Sci-Fi, 1983)
47		The Day the Earth Stood Still (Drama, Sci-Fi, Thriller, 2008)
47		The Fourth Kind (Mystery, Sci-Fi, Thriller, 2009)
47		The Man Who Fell to Earth (Sci-Fi, Drama, 1976)
46		Alien³ (Action, Horror, Sci-Fi, 1992)
46		I Come in Peace (Action, Crime, Horror, Sci-Fi, 1990)
46		Universal Soldier (Action, Sci-Fi, Thriller, 1992)
46		War of the Worlds (Adventure, Sci-Fi, Thriller, 2005)
45		Pandorum (Action, Horror, Mystery, Sci-Fi, 2009)
45		The Fifth Element (Action, Adventure, Sci-Fi, 1997)
45		Iodine (Drama, Mystery, Sci-Fi, 2009)
45		Predator (Action, Horror, Sci-Fi, 1987)
45		Interstellar (Adventure, Drama, Sci-Fi, 2014)
45		New Rose Hotel (Drama, Mystery, Sci-Fi, 1998)
45		Paradise Lost (Drama, Mystery, Sci-Fi, 1999)
45		The Quatermass Conclusion (Drama, Mystery, Sci-Fi, 1979)
45		Atlas Shrugged II: The Strike (Drama, Mystery, Sci-Fi, 2012)
45		District 9 (Action, Sci-Fi, Thriller, 2009)
45		City of Dark (Drama, Mystery, Sci-Fi, 1997)
45		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
44		Echoes of Enlightenment (Drama, Mystery, Sci-Fi, 2001)
44		K-PAX (Drama, Mystery, Sci-Fi, 2001)
44		Invaders from Mars (Horror, Sci-Fi, 1986)
44		Starman (Romance, Sci-Fi, 1984)
44		Titan A.E. (Animation, Action, Adventure, Sci-Fi, 2000)
44		The Andromeda Strain (Sci-Fi, Thriller, 1971)
44		Ever Since the World Ended (Drama, Mystery, Sci-Fi, 2001)
44		The Last Starfighter (Action, Adventure, Sci-Fi, 1984)
44		Unbreakable (Drama, Mystery, Sci-Fi, 2000)
44		Star Trek: Insurrection (Action, Adventure, Sci-Fi, 1998)
44		Forbidden World (Horror, Sci-Fi, 1982)
44		Xscape (Drama, Mystery, Sci-Fi, 2000)
44		Plan 9 from Outer Space (Horror, Sci-Fi, 1959)
44		Riddick (Action, Sci-Fi, Thriller, 2013)
44		Face/Off (Action, Crime, Sci-Fi, 1997)
44		The Abyss (Adventure, Drama, Sci-Fi, 1989)
44		Unforgettable (Drama, Mystery, Sci-Fi, 1996)
44		Starship Troopers (Action, Sci-Fi, 1997)
43		Fire in the Sky (Biography, Drama, Fantasy, Sci-Fi, 1993)
43		Signs (Drama, Mystery, Sci-Fi, 2002)
43		The Martian (Adventure, Drama, Sci-Fi, 2015)
43		The Prestige (Drama, Mystery, Sci-Fi, 2006)
42		The Monolith Monsters (Drama, Horror, Sci-Fi, 1957)
42		Source Code (Mystery, Sci-Fi, Thriller, 2011)
42		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
42		The Moment After (Drama, Sci-Fi, Thriller, 1999)
42		Nineteen Eighty-Four (Drama, Sci-Fi, 1984)
42		No Blade of Grass (Drama, Sci-Fi, 1970)
42		Alien Hunter (Action, Adventure, Sci-Fi, 2003)
42		Time Runner (Action, Adventure, Sci-Fi, 1993)
42		Iceman (Drama, Sci-Fi, 1984)
42		Carriers (Drama, Horror, Sci-Fi, 2009)
42		The Jacket (Drama, Mystery, Sci-Fi, 2005)
42		Star Trek: The Motion Picture (Adventure, Mystery, Sci-Fi, 1979)
42		Kafka (Drama, Mystery, Sci-Fi, 1991)
42		Area 51 Confidential (Mystery, Sci-Fi, Thriller, 2011)
42		Messengers (Drama, Mystery, Sci-Fi, 2004)
42		Spectres (Sci-Fi, Drama, Mystery, 2004)
41		Gadkie lebedi (Drama, Mystery, Sci-Fi, 2006)
41		Foiled (Action, Drama, Sci-Fi, 2000)
41		Watchmen (Action, Drama, Mystery, Sci-Fi, 2009)
41		Millennium (Drama, Mystery, Sci-Fi, 1989)
41		Alien (Horror, Sci-Fi, 1979)
41		Moon (Drama, Mystery, Sci-Fi, 2009)
41		Prism (Drama, Mystery, Sci-Fi, 2007)
41		AVP: Alien vs. Predator (Action, Horror, Sci-Fi, 2004)
40		Predator 2 (Action, Horror, Sci-Fi, 1990)
40		Atlas Shrugged: Who Is John Galt? (Drama, Mystery, Sci-Fi, 2014)
40		6 Hours to Live (Drama, Mystery, Sci-Fi, 1932)
40		Welcome to Blood City (Drama, Mystery, Sci-Fi, 1977)
40		Predestination (Drama, Mystery, Sci-Fi, 2014)
40		Altered States of Plaine (Drama, Mystery, Sci-Fi, 2012)
40		Lifespan (Drama, Mystery, Sci-Fi, 1975)
40		Quintet (Drama, Mystery, Sci-Fi, 1979)
40		Pig (Drama, Mystery, Sci-Fi, 2011)
40		Disconnect (Drama, Mystery, Sci-Fi, 2010)
40		The Invasion (Sci-Fi, Thriller, 2007)
40		Sound of My Voice (Drama, Mystery, Sci-Fi, 2011)
40		Backlight (Drama, Mystery, Sci-Fi, 2010)
40		The Quiet Earth (Drama, Mystery, Sci-Fi, 1985)
40		Knowing (Drama, Mystery, Sci-Fi, 2009)
40		Blindness (Drama, Mystery, Sci-Fi, 2008)
40		Metropia (Animation, Drama, Mystery, Sci-Fi, 2009)
40		Star Wars: Episode I - The Phantom Menace (Action, Adventure, Fantasy, Sci-Fi, 1999)
40		Sunshine (Adventure, Sci-Fi, Thriller, 2007)
40		Atlas Shrugged: Part I (Drama, Mystery, Sci-Fi, 2011)
39		I Married a Monster from Outer Space (Horror, Sci-Fi, 1958)
39		It Came from Outer Space (Horror, Sci-Fi, 1953)
39		Lockout (Action, Adventure, Sci-Fi, 2012)
39		Robot Overlords (Action, Adventure, Sci-Fi, 2014)
39		Zone Troopers (Action, Adventure, Sci-Fi, 1985)
39		Cowboys & Aliens (Action, Sci-Fi, Thriller, 2011)
39		X-Men Origins: Wolverine (Action, Adventure, Sci-Fi, 2009)
39		Radiant (Drama, Sci-Fi, 2005)
39		The Last Man on Earth (Horror, Sci-Fi, 1964)
39		The Crazies (Action, Horror, Sci-Fi, 1973)
39		Skyline (Action, Sci-Fi, Thriller, 2010)
39		Earth vs. the Flying Saucers (Action, Sci-Fi, 1956)
39		The War of the Worlds (Action, Sci-Fi, Thriller, 1953)
39		Escape from the Planet of the Apes (Action, Sci-Fi, 1971)
39		They Live (Horror, Sci-Fi, Thriller, 1988)
39		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
38		Gen-X Cops 2: Metal Mayhem (Action, Sci-Fi, 2000)
38		Unearthed (Horror, Mystery, Sci-Fi, 2007)
38		The Silencers (Action, Sci-Fi, 1996)
38		Pitch Black (Horror, Sci-Fi, 2000)
38		Screamers (Sci-Fi, Thriller, 1995)
38		The Cell (Horror, Sci-Fi, Thriller, 2000)
37		Les mille merveilles de l'univers (Drama, Sci-Fi, 1997)
37		Epsilon (Sci-Fi, Drama, 1997)
37		The Matrix Revolutions (Action, Sci-Fi, 2003)
37		Perfect Sense (Drama, Romance, Sci-Fi, 2011)
37		Absolon (Sci-Fi, Action, Thriller, 2003)
37		Island of the Burning Damned (Horror, Mystery, Sci-Fi, 1967)
37		The Body Stealers (Horror, Mystery, Sci-Fi, 1969)
37		Destination Moon (Adventure, Drama, Sci-Fi, 1950)
37		Satellite in the Sky (Drama, Sci-Fi, 1956)
37		Things to Come (Drama, Sci-Fi, 1936)
37		Ezekiel's Landing (Drama, Sci-Fi, Thriller, 2015)
36		Seedpeople (Horror, Sci-Fi, 1992)
36		Anthrax (Drama, Sci-Fi, Thriller, 2001)
36		The Chronicles of Riddick (Action, Adventure, Sci-Fi, 2004)
36		Nemesis (Action, Sci-Fi, Thriller, 1992)
36		Communion (Biography, Drama, Horror, Sci-Fi, 1989)
35		Next (Action, Sci-Fi, Thriller, 2007)
35		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
35		Resident Evil: Degeneration (Animation, Action, Horror, Sci-Fi, 2008)
35		Deja Vu (Action, Sci-Fi, Thriller, 2006)
35		The Hidden (Action, Crime, Horror, Sci-Fi, 1987)
35		The Host (Action, Adventure, Romance, Sci-Fi, 2013)
35		Star Trek: First Contact (Action, Adventure, Drama, Sci-Fi, 1996)
35		Dead Americans (Sci-Fi, 2010)
35		World War Z (Action, Adventure, Horror, Sci-Fi, 2013)
35		Star Trek (Action, Adventure, Sci-Fi, 2009)
35		Monsters vs. Aliens (Animation, Action, Adventure, Sci-Fi, 2009)
35		Superman II (Action, Adventure, Romance, Sci-Fi, 1980)
35		Day of Resurrection (Adventure, Drama, Horror, Sci-Fi, 1980)
34		It! The Terror from Beyond Space (Horror, Sci-Fi, 1958)
34		The Mysterians (Action, Sci-Fi, Thriller, 1957)
34		Hangar 18 (Action, Biography, Sci-Fi, 1980)
34		Laserhawk (Action, Adventure, Sci-Fi, 1997)
34		Robinson Crusoe on Mars (Adventure, Sci-Fi, 1964)
34		Outland (Action, Crime, Sci-Fi, 1981)
34		Queen of Blood (Horror, Sci-Fi, 1966)
34		Invasion of Astro-Monster (Action, Adventure, Sci-Fi, 1965)
34		Doomsday (Action, Sci-Fi, Thriller, 2008)
34		Battle Los Angeles (Action, Sci-Fi, 2011)
34		Extraterrestrial (Horror, Sci-Fi, 2014)
34		Powder (Drama, Fantasy, Mystery, Sci-Fi, 1995)
34		Harbinger Down (Horror, Sci-Fi, 2015)
34		Star Trek Beyond (Action, Adventure, Sci-Fi, 2016)
34		Cabin Fever: Patient Zero (Horror, Sci-Fi, Thriller, 2014)
34		Starship Invasions (Sci-Fi, 1977)
34		Invaders from Mars (Sci-Fi, 1953)
34		The Lost Face (Drama, Horror, Mystery, Sci-Fi, 2001)
34		The Thing from Another World (Horror, Sci-Fi, 1951)
34		The Man from Planet X (Horror, Romance, Sci-Fi, 1951)
34		Creature (Horror, Sci-Fi, 1985)
34		20 Million Miles to Earth (Fantasy, Horror, Sci-Fi, 1957)
34		Frequency (Crime, Drama, Mystery, Sci-Fi, 2000)
34		Passion of Mind (Drama, Mystery, Romance, Sci-Fi, 2000)
34		Conquest of the Planet of the Apes (Action, Sci-Fi, 1972)

Notes: Movies similar to The X Files, Movies like The X Files, Drama, Mystery, Sci-Fi, Rob Bowman, David Duchovny, Gillian Anderson, John Neville, William B. Davis, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities