72		The Deadly Spawn (Horror, Sci-Fi, 1983)
72		Alien (Horror, Sci-Fi, 1979)
65		The Creeping Flesh (Horror, Sci-Fi, 1973)
60		It! The Terror from Beyond Space (Horror, Sci-Fi, 1958)
60		Horror Express (Horror, Sci-Fi, 1972)
60		The Arrival (Horror, Sci-Fi, 1991)
60		Revenge of the Creature (Horror, Sci-Fi, 1955)
60		Metamorphosis: The Alien Factor (Horror, Sci-Fi, 1990)
57		The Thing (Horror, Mystery, Sci-Fi, 2011)
56		Swamp Thing (Horror, Sci-Fi, 1982)
55		The Dark (Horror, Sci-Fi, 1979)
55		The Blob (Horror, Sci-Fi, 1958)
55		The Curse of Frankenstein (Horror, Sci-Fi, 1957)
55		The Terror Within (Horror, Sci-Fi, 1989)
55		Syngenor (Horror, Sci-Fi, 1990)
55		The Creature Walks Among Us (Horror, Sci-Fi, 1956)
55		Prophecy (Sci-Fi, Horror, 1979)
55		Creature from the Black Lagoon (Horror, Sci-Fi, 1954)
55		Tarantula (Horror, Sci-Fi, 1955)
54		The Lawnmower Man (Horror, Sci-Fi, 1992)
52		Godzilla, King of the Monsters! (Action, Horror, Sci-Fi, 1956)
51		Xtro (Horror, Sci-Fi, 1982)
51		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
50		The Man Who Turned to Stone (Horror, Sci-Fi, 1957)
50		Demon Seed (Horror, Sci-Fi, 1977)
50		Not of This Earth (Horror, Sci-Fi, 1957)
50		Children of the Damned (Horror, Sci-Fi, 1964)
50		The Mutations (Horror, Sci-Fi, 1974)
50		X the Unknown (Horror, Sci-Fi, 1956)
50		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
50		The Unknown Terror (Horror, Sci-Fi, 1957)
50		Terror of Frankenstein (Horror, Sci-Fi, 1977)
50		The Last Man on Earth (Horror, Sci-Fi, 1964)
50		The Terror Within II (Horror, Sci-Fi, 1991)
50		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
50		Island Claws (Horror, Sci-Fi, 1980)
50		Subject 87 (Horror, Sci-Fi, 2007)
50		Godzilla vs. Destoroyah (Action, Horror, Sci-Fi, 1995)
50		Captive Wild Woman (Horror, Sci-Fi, 1943)
50		It Came from Outer Space (Horror, Sci-Fi, 1953)
50		Goke, Body Snatcher from Hell (Horror, Sci-Fi, 1968)
50		The Alien Factor (Horror, Sci-Fi, 1978)
50		Enemy from Space (Sci-Fi, Horror, 1957)
50		Queen of Blood (Horror, Sci-Fi, 1966)
50		Pitch Black (Horror, Sci-Fi, 2000)
49		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
49		Rejuvenatrix (Horror, Sci-Fi, 1988)
49		Ticks (Horror, Sci-Fi, 1993)
48		Project: Metalbeast (Horror, Sci-Fi, 1995)
47		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
47		Reptilicus (Action, Horror, Sci-Fi, 1961)
47		Ravager (Horror, Sci-Fi, 1997)
47		Roger Corman's Frankenstein Unbound (Drama, Horror, Sci-Fi, 1990)
47		The Fly (Drama, Horror, Sci-Fi, 1958)
46		Invasion of the Body Snatchers (Horror, Sci-Fi, 1956)
46		Horror Hotel the Movie (Horror, Sci-Fi, 2016)
46		The Kindred (Horror, Sci-Fi, Thriller, 1987)
45		The Day of the Triffids (Horror, Sci-Fi, 1962)
45		Fiend Without a Face (Horror, Sci-Fi, 1958)
45		Varan the Unbelievable (Horror, Sci-Fi, 1962)
45		How to Make a Monster (Horror, Sci-Fi, 1958)
45		The Monster of Piedras Blancas (Horror, Sci-Fi, 1959)
45		The Colossus of New York (Horror, Sci-Fi, 1958)
45		The Wasp Woman (Horror, Sci-Fi, 1959)
45		Hand of Death (Horror, Sci-Fi, 1962)
45		The Manster (Horror, Sci-Fi, 1959)
45		The Orbitrons (Horror, Sci-Fi, 1990)
45		I Married a Monster from Outer Space (Horror, Sci-Fi, 1958)
45		Brainjacked (Horror, Sci-Fi, 2009)
45		The Quatermass Xperiment (Horror, Sci-Fi, 1955)
45		Shadowzone (Horror, Sci-Fi, 1990)
45		Frankenstein 1970 (Horror, Sci-Fi, 1958)
45		The Fly II (Horror, Sci-Fi, 1989)
45		The Fly (Drama, Horror, Sci-Fi, 1986)
45		The Thing from Another World (Horror, Sci-Fi, 1951)
45		Sssssss (Horror, Sci-Fi, 1973)
45		Embryo (Horror, Sci-Fi, 1976)
45		Driller (Horror, Sci-Fi, 2006)
45		The Devil Commands (Horror, Sci-Fi, 1941)
45		The Devil Bat (Horror, Sci-Fi, 1940)
45		Rabid (Horror, Sci-Fi, 1977)
45		The Man with Two Heads (Horror, Sci-Fi, 1972)
45		Rat Scratch Fever (Horror, Sci-Fi, 2011)
45		The Frozen Dead (Sci-Fi, Horror, 1966)
45		It Came from Beneath the Sea (Horror, Sci-Fi, 1955)
45		Moontrap (Horror, Sci-Fi, 1989)
45		Children of the X-Files (Horror, Sci-Fi, 2009)
45		Willard (Horror, Sci-Fi, 1971)
45		The Earth Dies Screaming (Horror, Sci-Fi, 1964)
45		The Omega Man (Action, Sci-Fi, 1971)
44		Slugs (Horror, Sci-Fi, 1988)
44		The Curse (Sci-Fi, Horror, 1987)
44		Pulse (Horror, Sci-Fi, 1988)
44		Godzilla 1985 (Action, Horror, Sci-Fi, 1984)
44		Lone Wolf (Horror, Sci-Fi, 1988)
44		Deep Space (Horror, Sci-Fi, 1988)
44		The Brain (Horror, Sci-Fi, 1988)
44		Cameron's Closet (Horror, Sci-Fi, 1988)
44		Transformations (Horror, Sci-Fi, 1988)
44		The Nest (Horror, Sci-Fi, 1988)
44		Seedpeople (Horror, Sci-Fi, 1992)
43		Creature (Horror, Sci-Fi, 1985)
43		Not Like Us (Horror, Sci-Fi, 1995)
43		Species II (Action, Horror, Sci-Fi, 1998)
43		Invaders from Mars (Horror, Sci-Fi, 1986)
43		Colony Mutation (Horror, Sci-Fi, 1995)
43		From Beyond (Horror, Sci-Fi, 1986)
43		Night of the Scarecrow (Horror, Sci-Fi, 1995)
43		Regenerated Man (Horror, Sci-Fi, 1994)
43		Future Shock (Sci-Fi, Horror, 1994)
43		The Creature Below (Horror, Sci-Fi, 2016)
42		Mimic (Horror, Sci-Fi, 1997)
42		Crawlspace (Horror, Mystery, Sci-Fi, 2012)
42		Predator (Action, Horror, Sci-Fi, 1987)
42		I Am Legend (Drama, Horror, Sci-Fi, 2007)
42		The Man from Planet X (Horror, Romance, Sci-Fi, 1951)
42		Aberration (Horror, Sci-Fi, 1997)
42		Poison (Drama, Horror, Sci-Fi, 1991)
42		House of Dracula (Fantasy, Horror, Sci-Fi, 1945)
42		Splinter (Horror, Sci-Fi, Thriller, 2008)
42		Nightmares (Horror, Sci-Fi, 1983)
42		Jason X (Action, Horror, Sci-Fi, 2001)
42		Death Warmed Over (Horror, Sci-Fi, 1984)
42		C.H.U.D. (Horror, Sci-Fi, 1984)
42		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
42		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
42		Hellraiser: Bloodline (Horror, Sci-Fi, 1996)
42		Another World (Action, Horror, Sci-Fi, 2014)
42		Spasms (Horror, Sci-Fi, 1983)
41		Death Street USA (Action, Sci-Fi, Horror, 1988)
41		Halfway Home (Horror, Sci-Fi, 1998)
41		Island of Lost Souls (Horror, Sci-Fi, 1932)
41		They Live (Horror, Sci-Fi, Thriller, 1988)
41		Demonwarp (Horror, Mystery, Sci-Fi, 1988)
41		Deadly Eyes (Horror, Sci-Fi, 1982)
41		Forbidden World (Horror, Sci-Fi, 1982)
41		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
40		Frankenstein's Army (Horror, Sci-Fi, 2013)
40		Kingdom of the Spiders (Horror, Sci-Fi, 1977)
40		She-Demons of the Black Sun (Horror, Sci-Fi, 2006)
40		The Prometheus Project (Horror, Sci-Fi, 2010)
40		The Invisible Man's Revenge (Horror, Sci-Fi, 1944)
40		The Jungle Captive (Horror, Sci-Fi, 1945)
40		Debug (Horror, Sci-Fi, 2014)
40		Deep Blue Sea (Action, Sci-Fi, Thriller, 1999)
40		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
40		Dark Paradox (Horror, Sci-Fi, 2007)
40		Garden of the Dead (Sci-Fi, Horror, 1972)
40		The Diabolical (Horror, Sci-Fi, 2015)
40		Dr Jekyll & Sister Hyde (Horror, Sci-Fi, 1971)
40		Phantom from Space (Horror, Sci-Fi, 1953)
40		The Toy Box (Horror, Sci-Fi, 1971)
40		The Asphyx (Horror, Sci-Fi, 1972)
40		Out of State (Horror, Sci-Fi, 2006)
40		The Last Days of Man on Earth (Sci-Fi, Thriller, 1973)
40		The Drift (Horror, Sci-Fi, 2014)
40		Braincell (Horror, Sci-Fi, 2010)
40		Automatic (Action, Horror, Sci-Fi, 1995)
40		Alien Prey (Horror, Sci-Fi, 1977)
40		Shivers (Horror, Sci-Fi, 1975)
40		The Visitor (Horror, Sci-Fi, 1979)
40		Subterano (Horror, Sci-Fi, 2003)
40		Blood of the Beast (Horror, Sci-Fi, 2003)
40		Extraterrestrial (Horror, Sci-Fi, 2014)
40		Hungerford (Horror, Sci-Fi, 2014)
40		Growth (Horror, Sci-Fi, 2010)
40		Mark of the Damned (Horror, Sci-Fi, 2006)
40		Star Party (Horror, Sci-Fi, 2005)
40		The Thing (Horror, Mystery, Sci-Fi, 1982)
40		The Man Who Lived Again (Horror, Sci-Fi, 1936)
40		Scintilla (Horror, Sci-Fi, 2014)
40		The Devil in White (Horror, Sci-Fi, 2014)
40		Alien Factor 2: The Alien Rampage (Horror, Sci-Fi, 2001)
40		Purple Glow (Horror, Sci-Fi, 2005)
40		The Devil-Doll (Sci-Fi, Horror, 1936)
40		The Sunderland Experiment (Horror, Sci-Fi, 2014)
40		Scared to Death (Horror, Sci-Fi, 1980)
40		Without Warning (Sci-Fi, Horror, 1980)
40		Invasion of the Body Snatchers (Horror, Sci-Fi, 1978)
40		The Brain Leeches (Horror, Sci-Fi, 1978)
40		The Corpse Vanishes (Horror, Sci-Fi, 1942)
40		Nightbeasts (Horror, Sci-Fi, 2010)
40		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
40		The Medusa Touch (Horror, Sci-Fi, 1978)
40		The Frankenstein Theory (Horror, Sci-Fi, 2013)
40		The Andromeda Strain (Sci-Fi, Thriller, 1971)
40		The Children (Horror, Sci-Fi, 1980)
40		Alligator (Horror, Sci-Fi, 1980)
40		Humanoids from the Deep (Horror, Sci-Fi, 1980)
40		13 Eerie (Horror, Sci-Fi, 2013)
40		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1941)
40		The Brood (Horror, Sci-Fi, 1979)
40		The Monster Maker (Horror, Sci-Fi, 1944)
40		TapeWorm (Horror, Sci-Fi, 2009)
40		Godzilla vs. Biollante (Action, Drama, Horror, Sci-Fi, 1989)
40		Hunting Grounds (Horror, Sci-Fi, 2009)
40		Bride of the Monster (Horror, Sci-Fi, 1955)
40		Unearthly Stranger (Horror, Sci-Fi, 1963)
40		Blood of the Vampire (Horror, Sci-Fi, 1958)
40		Dead Season (Horror, Sci-Fi, 2012)
40		Invisible Invaders (Sci-Fi, Horror, 1959)
40		Blood Beast from Outer Space (Horror, Sci-Fi, 1965)
40		The Cyclops (Horror, Sci-Fi, 1957)
40		Target Earth (Horror, Sci-Fi, 1954)
40		Silent Night, Zombie Night (Horror, Sci-Fi, 2009)
40		The Bone Snatcher (Horror, Sci-Fi, 2003)
40		Sting of Death (Horror, Sci-Fi, 1965)
40		Orn (Horror, Sci-Fi, 2009)
40		Day the World Ended (Horror, Sci-Fi, 1955)
40		Still Waters (Horror, Sci-Fi, 2011)
40		The Brain Eaters (Sci-Fi, Horror, 1958)
40		The Black Sleep (Horror, Sci-Fi, 1956)
40		The Crawling Eye (Horror, Sci-Fi, 1958)
40		Village of the Damned (Horror, Sci-Fi, 1960)
40		The Leech Woman (Horror, Sci-Fi, 1960)
40		Monster on the Campus (Horror, Sci-Fi, 1958)
40		The Shells (Horror, Sci-Fi, 2015)
40		The Spider (Horror, Sci-Fi, 1958)
40		She Devil (Horror, Sci-Fi, 1957)
40		The Zombie Diaries (Horror, Sci-Fi, 2006)
40		The Man Without a Body (Horror, Sci-Fi, 1957)
40		RWD (Horror, Sci-Fi, 2015)
40		Harbinger Down (Horror, Sci-Fi, 2015)
40		The Brain That Wouldn't Die (Horror, Sci-Fi, 1962)
40		Plan 9 from Outer Space (Horror, Sci-Fi, 1959)
40		The Werewolf (Sci-Fi, Horror, 1956)
40		Storage 24 (Horror, Sci-Fi, 2012)
40		The Maze (Horror, Sci-Fi, 1953)
40		Brides of Blood (Horror, Sci-Fi, 1968)
40		Attack of the 50 Foot Woman (Horror, Sci-Fi, 1958)
40		The Black Scorpion (Horror, Sci-Fi, 1957)
40		War of the Satellites (Horror, Sci-Fi, 1958)
40		The Woman Eater (Horror, Sci-Fi, 1958)
40		She Demons (Horror, Sci-Fi, 1958)
40		I Was a Teenage Frankenstein (Horror, Sci-Fi, 1957)
40		The Neanderthal Man (Horror, Sci-Fi, 1953)
40		Attack of the Puppet People (Sci-Fi, Horror, 1958)
40		Them! (Horror, Sci-Fi, 1954)
40		Donovan's Brain (Sci-Fi, Horror, 1953)
40		The Alligator People (Horror, Sci-Fi, 1959)
40		Killer School Girls from Outer Space (Horror, Sci-Fi, 2011)
40		It! (Horror, Sci-Fi, 1967)

Notes: Movies similar to Xtro II: The Second Encounter, Movies like Xtro II: The Second Encounter, Horror, Sci-Fi, Harry Bromley Davenport, Jan-Michael Vincent, Paul Koslo, Tara Buckman, Jano Frandsen, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities