72		Not of This Earth (Horror, Sci-Fi, 1957)
65		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
60		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
57		X: The Man with the X-Ray Eyes (Horror, Sci-Fi, Thriller, 1963)
57		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
55		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
55		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
55		The Thing from Another World (Horror, Sci-Fi, 1951)
55		Altered (Horror, Sci-Fi, Thriller, 2006)
52		Species (Action, Horror, Sci-Fi, 1995)
52		20 Million Miles to Earth (Fantasy, Horror, Sci-Fi, 1957)
51		War of the Satellites (Horror, Sci-Fi, 1958)
51		Plan 9 from Outer Space (Horror, Sci-Fi, 1959)
50		The Man from Planet X (Horror, Romance, Sci-Fi, 1951)
50		Dark Skies (Horror, Sci-Fi, Thriller, 2013)
50		The Deadly Mantis (Horror, Sci-Fi, Thriller, 1957)
47		Dark Breed (Action, Horror, Sci-Fi, 1996)
47		Goke, Body Snatcher from Hell (Horror, Sci-Fi, 1968)
47		Lifeforce (Action, Horror, Sci-Fi, 1985)
47		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
47		The Lawnmower Man (Horror, Sci-Fi, 1992)
47		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
47		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
47		Godzilla, King of the Monsters! (Action, Horror, Sci-Fi, 1956)
47		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
47		Day the World Ended (Horror, Sci-Fi, 1955)
47		Revenge of the Creature (Horror, Sci-Fi, 1955)
46		Target Earth (Horror, Sci-Fi, 1954)
46		I Married a Monster from Outer Space (Horror, Sci-Fi, 1958)
46		The Brain Eaters (Sci-Fi, Horror, 1958)
45		Altered States (Horror, Sci-Fi, Thriller, 1980)
45		The Mad Ghoul (Horror, Sci-Fi, Thriller, 1943)
45		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
45		Phase IV (Horror, Sci-Fi, Thriller, 1974)
45		The Kindred (Horror, Sci-Fi, Thriller, 1987)
45		Unaware (Horror, Sci-Fi, Thriller, 2010)
45		They Live (Horror, Sci-Fi, Thriller, 1988)
45		Day of the Animals (Horror, Sci-Fi, Thriller, 1977)
45		Area 51 (Horror, Sci-Fi, Thriller, 2015)
45		Progeny (Horror, Sci-Fi, Thriller, 1998)
45		The Vampire (Horror, Sci-Fi, Thriller, 1957)
45		Reptilicus (Action, Horror, Sci-Fi, 1961)
44		Space Master X-7 (Horror, Sci-Fi, Thriller, 1958)
44		The Thing (Horror, Mystery, Sci-Fi, 1982)
44		Alien (Horror, Sci-Fi, 1979)
43		The Tomb of Ligeia (Drama, Horror, Thriller, 1964)
43		Predator (Action, Horror, Sci-Fi, 1987)
42		Without Warning (Sci-Fi, Horror, 1980)
42		Xtro (Horror, Sci-Fi, 1982)
42		Creature (Horror, Sci-Fi, 1985)
42		Forbidden World (Horror, Sci-Fi, 1982)
42		The Quatermass Xperiment (Horror, Sci-Fi, 1955)
42		The Thing (Horror, Mystery, Sci-Fi, 2011)
42		It Came from Beneath the Sea (Horror, Sci-Fi, 1955)
42		Godzilla 1985 (Action, Horror, Sci-Fi, 1984)
42		Tarantula (Horror, Sci-Fi, 1955)
42		Enemy from Space (Sci-Fi, Horror, 1957)
42		Alien³ (Action, Horror, Sci-Fi, 1992)
42		Invaders from Mars (Horror, Sci-Fi, 1986)
42		Island of the Burning Damned (Horror, Mystery, Sci-Fi, 1967)
42		Pitch Black (Horror, Sci-Fi, 2000)
42		The Giant Claw (Fantasy, Horror, Sci-Fi, 1957)
42		Roger Corman's Frankenstein Unbound (Drama, Horror, Sci-Fi, 1990)
42		Another World (Action, Horror, Sci-Fi, 2014)
42		Virus (Action, Horror, Thriller, 1999)
42		Panic in Year Zero! (Horror, Sci-Fi, Thriller, 1962)
42		Species II (Action, Horror, Sci-Fi, 1998)
41		Creature from the Black Lagoon (Horror, Sci-Fi, 1954)
41		The Cosmic Monster (Drama, Sci-Fi, Horror, 1958)
41		It Came from Outer Space (Horror, Sci-Fi, 1953)
41		The Crawling Eye (Horror, Sci-Fi, 1958)
41		How to Make a Monster (Horror, Sci-Fi, 1958)
41		Attack of the 50 Foot Woman (Horror, Sci-Fi, 1958)
41		The Blob (Horror, Sci-Fi, 1958)
41		Phantom from Space (Horror, Sci-Fi, 1953)
41		The Alligator People (Horror, Sci-Fi, 1959)
41		The Wasp Woman (Horror, Sci-Fi, 1959)
40		Man Vs. (Horror, Sci-Fi, Thriller, 2015)
40		Almost Human (Horror, Sci-Fi, Thriller, 2013)
40		Cabin Fever: Patient Zero (Horror, Sci-Fi, Thriller, 2014)
40		Night of the Lepus (Horror, Sci-Fi, Thriller, 1972)
40		Patrick (Horror, Sci-Fi, Thriller, 2013)
40		The Premonition (Horror, Sci-Fi, Thriller, 1976)
40		Plan 9 (Horror, Sci-Fi, Thriller, 2015)
40		Dark Mountain (Horror, Sci-Fi, Thriller, 2013)
40		Infini (Horror, Sci-Fi, Thriller, 2015)
40		State of Emergency (Horror, Sci-Fi, Thriller, 2011)
40		Asylum (Horror, Sci-Fi, Thriller, 2008)
40		eXistenZ (Horror, Sci-Fi, Thriller, 1999)
40		The Rage: Carrie 2 (Horror, Sci-Fi, Thriller, 1999)
40		Komodo (Horror, Sci-Fi, Thriller, 1999)
40		The Objective (Horror, Sci-Fi, Thriller, 2008)
40		Phantoms (Horror, Sci-Fi, Thriller, 1998)
40		Quarantine (Horror, Sci-Fi, Thriller, 2008)
40		The Island of Dr. Moreau (Horror, Sci-Fi, Thriller, 1996)
40		Event Horizon (Horror, Sci-Fi, Thriller, 1997)
40		Supernova (Horror, Sci-Fi, Thriller, 2000)
40		The Cell (Horror, Sci-Fi, Thriller, 2000)
40		The Hunt (Horror, Sci-Fi, Thriller, 2006)
40		Mulberry St (Horror, Sci-Fi, Thriller, 2006)
40		Guardian of the Realm (Sci-Fi, Horror, Thriller, 2004)
40		Endangered Species (Horror, Sci-Fi, Thriller, 2003)
40		The Signal (Horror, Sci-Fi, Thriller, 2007)
40		Anatomie 2 (Horror, Sci-Fi, Thriller, 2003)
40		Kaw (Horror, Sci-Fi, Thriller, 2007)
40		Night Skies (Horror, Sci-Fi, Thriller, 2007)
40		Splinter (Horror, Sci-Fi, Thriller, 2008)
40		Ghost in the Machine (Horror, Sci-Fi, Thriller, 1993)
40		Night Shadows (Horror, Sci-Fi, Thriller, 1984)
40		Savage (Horror, Sci-Fi, Thriller, 2011)
40		The Millennium Bug (Horror, Sci-Fi, Thriller, 2011)
40		The Blob (Horror, Sci-Fi, Thriller, 1988)
40		The Dead Zone (Horror, Sci-Fi, Thriller, 1983)
40		Isolation (Horror, Sci-Fi, Thriller, 2005)
40		The Purge (Horror, Sci-Fi, Thriller, 2013)
40		Specter (Horror, Sci-Fi, Thriller, 2012)
40		The Ghostmaker (Horror, Sci-Fi, Thriller, 2012)
40		Super Hybrid (Horror, Sci-Fi, Thriller, 2010)
40		Pickman's Muse (Horror, Sci-Fi, Thriller, 2010)
40		Dead Air (Horror, Sci-Fi, Thriller, 2009)
40		The Thaw (Horror, Sci-Fi, Thriller, 2009)
40		Mindwarp (Horror, Sci-Fi, Thriller, 1992)
40		Spontaneous Combustion (Horror, Sci-Fi, Thriller, 1990)
40		Beacon77 (Horror, Sci-Fi, Thriller, 2009)
40		Primal Rage (Horror, Sci-Fi, Thriller, 1988)
40		Eyes in the Dark (Horror, Sci-Fi, Thriller, 2010)
40		2084 (Horror, Sci-Fi, Thriller, 2009)
40		The Last Days on Mars (Horror, Sci-Fi, Thriller, 2013)
40		Antiviral (Horror, Sci-Fi, Thriller, 2012)
40		Cell (Horror, Sci-Fi, Thriller, 2016)
40		The Lady and the Monster (Horror, Sci-Fi, Thriller, 1944)
40		Containment (Horror, Sci-Fi, Thriller, 2015)
39		The Terror (Horror, Thriller, 1963)
38		Blood Beast from Outer Space (Horror, Sci-Fi, 1965)
38		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
38		Frankenstein (Drama, Horror, Sci-Fi, 1931)
37		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
37		The Abominable Snowman (Adventure, Horror, Sci-Fi, 1957)
37		Predator 2 (Action, Horror, Sci-Fi, 1990)
37		Dark Places (Horror, Romance, Thriller, 1973)
37		Unearthed (Horror, Mystery, Sci-Fi, 2007)
37		Son of Frankenstein (Sci-Fi, Horror, Drama, 1939)
37		Splice (Drama, Horror, Sci-Fi, 2009)
37		The Unknown Terror (Horror, Sci-Fi, 1957)
37		The Spiral Staircase (Horror, Mystery, Thriller, 1975)
37		The Faculty (Horror, Sci-Fi, 1998)
37		Nightmare City (Action, Horror, Sci-Fi, 1980)
37		Sssssss (Horror, Sci-Fi, 1973)
37		The Dark Side of the Moon (Action, Horror, Sci-Fi, 1990)
37		Queen of Blood (Horror, Sci-Fi, 1966)
37		The Devil Bat (Horror, Sci-Fi, 1940)
37		Man Made Monster (Drama, Horror, Sci-Fi, 1941)
37		Strange Invaders (Horror, Mystery, Sci-Fi, 1983)
37		The Deadly Spawn (Horror, Sci-Fi, 1983)
37		Driller (Horror, Sci-Fi, 2006)
37		Hellraiser: Bloodline (Horror, Sci-Fi, 1996)
37		AVP: Alien vs. Predator (Action, Horror, Sci-Fi, 2004)
37		The Green Slime (Drama, Horror, Sci-Fi, 1968)
37		Pig Hunt (Action, Horror, Thriller, 2008)
37		Final Destination (Horror, Thriller, 2000)
37		Seedpeople (Horror, Sci-Fi, 1992)
37		The Fly (Drama, Horror, Sci-Fi, 1986)
37		Tenebre (Horror, Mystery, Thriller, 1982)
37		The Cyclops (Horror, Sci-Fi, 1957)
37		Slugs (Horror, Sci-Fi, 1988)
37		Scanners (Action, Horror, Sci-Fi, 1981)
37		Under the Skin (Drama, Horror, Sci-Fi, 2013)
37		Captive Wild Woman (Horror, Sci-Fi, 1943)
37		Demon Seed (Horror, Sci-Fi, 1977)
37		Hollow Man (Action, Horror, Sci-Fi, 2000)
37		Resident Evil: Extinction (Action, Horror, Sci-Fi, 2007)
37		Creature with the Atom Brain (Crime, Horror, Sci-Fi, 1955)
37		Jason X (Action, Horror, Sci-Fi, 2001)
37		Moontrap (Horror, Sci-Fi, 1989)
36		The Monster of Piedras Blancas (Horror, Sci-Fi, 1959)
36		The Bat (Horror, Thriller, Mystery, 1959)
36		Invisible Invaders (Sci-Fi, Horror, 1959)
36		First Man Into Space (Drama, Horror, Sci-Fi, 1959)
36		Donovan's Brain (Sci-Fi, Horror, 1953)
36		The Colossus of New York (Horror, Sci-Fi, 1958)
36		4D Man (Sci-Fi, Horror, Romance, 1959)
36		Peeping Tom (Drama, Horror, Thriller, 1960)
36		Fiend Without a Face (Horror, Sci-Fi, 1958)
36		Frankenstein 1970 (Horror, Sci-Fi, 1958)
36		It! The Terror from Beyond Space (Horror, Sci-Fi, 1958)
35		Five (Drama, Horror, Sci-Fi, 1951)
35		The Hands of Orlac (Crime, Horror, Sci-Fi, 1960)
34		Galaxy of Terror (Action, Adventure, Horror, 1981)
34		The Hidden (Action, Crime, Horror, 1987)
33		Invasion of the Body Snatchers (Horror, Sci-Fi, 1956)
33		The Incredible Shrinking Man (Drama, Horror, Sci-Fi, 1957)
33		The Earth Dies Screaming (Horror, Sci-Fi, 1964)
33		Die! Die! My Darling! (Horror, Thriller, 1965)
33		Children of the Damned (Horror, Sci-Fi, 1964)
32		Nightwatch (Drama, Horror, Thriller, 1997)
32		The Creeper (Adventure, Horror, Thriller, 1977)
32		Terror of Frankenstein (Horror, Sci-Fi, 1977)
32		The Devil Commands (Horror, Sci-Fi, 1941)
32		The Black Sleep (Horror, Sci-Fi, 1956)
32		Swamp Thing (Horror, Sci-Fi, 1982)
32		Memory (Drama, Horror, Thriller, 2006)
32		Alone in the Dark (Horror, Thriller, 1982)
32		Creatures the World Forgot (Adventure, Horror, Sci-Fi, 1971)
32		Videodrome (Horror, Mystery, Sci-Fi, 1983)
32		She Devil (Horror, Sci-Fi, 1957)
32		Alien Raiders (Action, Horror, Sci-Fi, 2008)
32		The Sender (Horror, Thriller, 1982)
32		White Dog (Drama, Horror, Thriller, 1982)
32		Polymorph (Action, Horror, Sci-Fi, 1996)
32		The Sacrament (Horror, Thriller, 2013)
32		Rabid (Horror, Sci-Fi, 1977)
32		The Twilight People (Adventure, Horror, Sci-Fi, 1972)
32		Svengali (Drama, Horror, Sci-Fi, 1931)
32		The Man Who Turned to Stone (Horror, Sci-Fi, 1957)
32		The Crazies (Action, Horror, Sci-Fi, 1973)
32		The Mutations (Horror, Sci-Fi, 1974)
32		The Shallows (Drama, Horror, Thriller, 2016)
32		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
32		Honeymoon (Horror, Mystery, Thriller, 2014)
32		Christmas Evil (Horror, Thriller, 1980)
32		Island Claws (Horror, Sci-Fi, 1980)
32		The Beast of Hollow Mountain (Horror, Romance, Sci-Fi, 1956)
32		Humanoids from the Deep (Horror, Sci-Fi, 1980)
32		X the Unknown (Horror, Sci-Fi, 1956)
32		End of the Line (Horror, Thriller, 2007)
32		Bride of the Monster (Horror, Sci-Fi, 1955)
32		Shivers (Horror, Sci-Fi, 1975)
32		The Dark (Horror, Sci-Fi, 1979)
32		Bug (Sci-Fi, Horror, Mystery, 1975)
32		I Am Legend (Drama, Horror, Sci-Fi, 2007)
32		Embryo (Horror, Sci-Fi, 1976)
32		And Soon the Darkness (Horror, Mystery, Thriller, 1970)
32		No One Lives (Horror, Thriller, 2012)
32		The Alien Factor (Horror, Sci-Fi, 1978)
32		The Baby (Horror, Thriller, 1973)
32		The Cellar Door (Horror, Thriller, 2007)
32		Dark Asylum (Thriller, Horror, 2001)
32		The Creeping Flesh (Horror, Sci-Fi, 1973)
32		Happy Birthday to Me (Horror, Mystery, Thriller, 1981)
32		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
32		Dreamcatcher (Drama, Horror, Sci-Fi, 2003)
32		The Girl with All the Gifts (Drama, Horror, Thriller, 2016)
32		Extraterrestrial (Horror, Sci-Fi, 2014)
32		The Werewolf (Sci-Fi, Horror, 1956)
32		The Gamma People (Drama, Horror, Sci-Fi, 1956)
32		Barracuda (Horror, Thriller, 1978)
32		Ghosts of Mars (Action, Horror, Sci-Fi, 2001)
32		Not Like Us (Horror, Sci-Fi, 1995)
32		The Shortcut (Horror, Mystery, Thriller, 2009)
32		Rejuvenatrix (Horror, Sci-Fi, 1988)
32		Syngenor (Horror, Sci-Fi, 1990)
32		The Reflecting Skin (Drama, Horror, Thriller, 1990)
32		Devil (Horror, Mystery, Thriller, 2010)
32		Steel and Lace (Action, Horror, Sci-Fi, 1991)
32		The Psychic (Horror, Thriller, 1991)
32		The Arrival (Horror, Sci-Fi, 1991)
32		Demonwarp (Horror, Mystery, Sci-Fi, 1988)
32		Watchers (Action, Horror, Sci-Fi, 1988)
32		Exquisite Corpse (Horror, Romance, Thriller, 2010)
32		Transformations (Horror, Sci-Fi, 1988)
32		The Cannibal in the Jungle (Crime, Horror, Sci-Fi, 2015)
32		Pit and the Pendulum (Drama, Fantasy, Horror, 1961)
32		The Black Scorpion (Horror, Sci-Fi, 1957)
32		I Was a Teenage Frankenstein (Horror, Sci-Fi, 1957)
32		The Monolith Monsters (Drama, Horror, Sci-Fi, 1957)
32		Return of the Ape Man (Horror, Romance, Sci-Fi, 1944)
32		Psycho (Horror, Mystery, Thriller, 1960)
32		The Brain (Horror, Sci-Fi, 1988)
32		Godzilla vs. Destoroyah (Action, Horror, Sci-Fi, 1995)
32		Twice Dead (Thriller, Horror, 1988)
32		The Jade Mask (Horror, Mystery, Sci-Fi, 1945)
32		The Frozen Dead (Sci-Fi, Horror, 1966)
32		The Curse of Frankenstein (Horror, Sci-Fi, 1957)
32		Alien Prey (Horror, Sci-Fi, 1977)
32		Project: Metalbeast (Horror, Sci-Fi, 1995)
32		The Man Without a Body (Horror, Sci-Fi, 1957)
32		Victor Frankenstein (Drama, Horror, Sci-Fi, 2015)
32		The Descent (Adventure, Horror, Thriller, 2005)
32		The Marsh (Horror, Thriller, 2006)
32		Man with Two Lives (Horror, Thriller, 1942)
32		Invisible: The Chronicles of Benjamin Knight (Action, Horror, Sci-Fi, 1993)
32		The Bat Whispers (Crime, Thriller, Horror, 1930)
32		The Skeptic (Horror, Thriller, 2009)
32		Frankenstein Must Be Destroyed (Horror, Drama, Sci-Fi, 1969)
32		The Body Stealers (Horror, Mystery, Sci-Fi, 1969)
32		Lord of Illusions (Horror, Mystery, Thriller, 1995)

Notes: Movies similar to It Conquered the World, Movies like It Conquered the World, Horror, Sci-Fi, Thriller, Roger Corman, Peter Graves, Beverly Garland, Lee Van Cleef, Sally Fraser, Films, Video, Movie Similarities