75		I Married a Monster from Outer Space (Horror, Sci-Fi, 1958)
74		Tarantula (Horror, Sci-Fi, 1955)
70		How to Make a Monster (Horror, Sci-Fi, 1958)
70		The Deadly Spawn (Horror, Sci-Fi, 1983)
70		The Curse of Frankenstein (Horror, Sci-Fi, 1957)
69		The Quatermass Xperiment (Horror, Sci-Fi, 1955)
65		The Spider (Horror, Sci-Fi, 1958)
65		Shivers (Horror, Sci-Fi, 1975)
65		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
65		Attack of the 50 Foot Woman (Horror, Sci-Fi, 1958)
65		Invasion of the Body Snatchers (Horror, Sci-Fi, 1956)
63		Them! (Horror, Sci-Fi, 1954)
62		The Thing from Another World (Horror, Sci-Fi, 1951)
61		The Plague of the Zombies (Fantasy, Horror, 1966)
60		Plan 9 from Outer Space (Horror, Sci-Fi, 1959)
60		Extraterrestrial (Horror, Sci-Fi, 2014)
60		Invaders from Mars (Horror, Sci-Fi, 1986)
60		The Mist (Horror, Sci-Fi, 2007)
60		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
57		The Monolith Monsters (Drama, Horror, Sci-Fi, 1957)
57		Alien (Horror, Sci-Fi, 1979)
56		Island of Lost Souls (Horror, Sci-Fi, 1932)
56		Godzilla, King of the Monsters! (Action, Horror, Sci-Fi, 1956)
55		The Brain (Horror, Sci-Fi, 1988)
55		The Crawling Eye (Horror, Sci-Fi, 1958)
55		The Dark (Horror, Sci-Fi, 1979)
55		The Woman Eater (Horror, Sci-Fi, 1958)
55		Without Warning (Sci-Fi, Horror, 1980)
55		Moontrap (Horror, Sci-Fi, 1989)
55		Fiend Without a Face (Horror, Sci-Fi, 1958)
55		Pitch Black (Horror, Sci-Fi, 2000)
55		Creature (Horror, Sci-Fi, 1985)
55		Xtro (Horror, Sci-Fi, 1982)
55		Not of This Earth (Horror, Sci-Fi, 1957)
55		Frankenstein 1970 (Horror, Sci-Fi, 1958)
55		It! The Terror from Beyond Space (Horror, Sci-Fi, 1958)
55		Rabid (Horror, Sci-Fi, 1977)
55		Seedpeople (Horror, Sci-Fi, 1992)
55		The Arrival (Horror, Sci-Fi, 1991)
54		The Man from Planet X (Horror, Romance, Sci-Fi, 1951)
54		Bride of the Monster (Horror, Sci-Fi, 1955)
53		It Came from Outer Space (Horror, Sci-Fi, 1953)
53		The Day of the Triffids (Horror, Sci-Fi, 1962)
52		Disturbing Behavior (Horror, Mystery, Sci-Fi, 1998)
52		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
52		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
52		The Thing (Horror, Mystery, Sci-Fi, 2011)
52		Unearthed (Horror, Mystery, Sci-Fi, 2007)
52		Quarantine (Horror, Sci-Fi, Thriller, 2008)
52		Altered (Horror, Sci-Fi, Thriller, 2006)
51		Reptilicus (Action, Horror, Sci-Fi, 1961)
51		Island of Terror (Horror, 1966)
50		Swamp Thing (Horror, Sci-Fi, 1982)
50		The Brain Eaters (Sci-Fi, Horror, 1958)
50		The Colossus of New York (Horror, Sci-Fi, 1958)
50		The Manster (Horror, Sci-Fi, 1959)
50		Ticks (Horror, Sci-Fi, 1993)
50		Enemy from Space (Sci-Fi, Horror, 1957)
50		Invisible Invaders (Sci-Fi, Horror, 1959)
50		The Monster of Piedras Blancas (Horror, Sci-Fi, 1959)
50		The Man Without a Body (Horror, Sci-Fi, 1957)
50		The Alien Factor (Horror, Sci-Fi, 1978)
50		Heartstopper (Horror, Thriller, 2006)
50		Panic in Year Zero! (Horror, Sci-Fi, Thriller, 1962)
50		The Faculty (Horror, Sci-Fi, 1998)
50		Syngenor (Horror, Sci-Fi, 1990)
50		Thinner (Fantasy, Horror, 1996)
50		Horror Express (Horror, Sci-Fi, 1972)
50		The Unknown Terror (Horror, Sci-Fi, 1957)
50		Sssssss (Horror, Sci-Fi, 1973)
50		Prophecy (Sci-Fi, Horror, 1979)
50		Saw III (Horror, 2006)
50		I Was a Teenage Frankenstein (Horror, Sci-Fi, 1957)
50		Project: Metalbeast (Horror, Sci-Fi, 1995)
50		Forbidden World (Horror, Sci-Fi, 1982)
50		The Medusa Touch (Horror, Sci-Fi, 1978)
50		Goke, Body Snatcher from Hell (Horror, Sci-Fi, 1968)
48		Phantom from Space (Horror, Sci-Fi, 1953)
48		Hand of Death (Horror, Sci-Fi, 1962)
48		Varan the Unbelievable (Horror, Sci-Fi, 1962)
48		Donovan's Brain (Sci-Fi, Horror, 1953)
47		Man Made Monster (Drama, Horror, Sci-Fi, 1941)
47		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
47		The Earth Dies Screaming (Horror, Sci-Fi, 1964)
47		Lifeforce (Action, Horror, Sci-Fi, 1985)
47		Frankenstein Must Be Destroyed (Horror, Drama, Sci-Fi, 1969)
47		Firestarter (Action, Horror, Sci-Fi, 1984)
47		The Vampire (Horror, Sci-Fi, Thriller, 1957)
47		20 Million Miles to Earth (Fantasy, Horror, Sci-Fi, 1957)
47		Terror Is a Man (Horror, Romance, Sci-Fi, 1959)
47		Dark Breed (Action, Horror, Sci-Fi, 1996)
47		Patrick (Horror, Romance, Sci-Fi, 1978)
47		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
47		Frankenstein Meets the Wolf Man (Fantasy, Horror, Sci-Fi, 1943)
47		The Blob (Horror, Sci-Fi, Thriller, 1988)
46		Queen of Blood (Horror, Sci-Fi, 1966)
45		She Demons (Horror, Sci-Fi, 1958)
45		Attack of the Puppet People (Sci-Fi, Horror, 1958)
45		War of the Satellites (Horror, Sci-Fi, 1958)
45		The Wasp Woman (Horror, Sci-Fi, 1959)
45		X: The Man with the X-Ray Eyes (Horror, Sci-Fi, Thriller, 1963)
45		Rejuvenatrix (Horror, Sci-Fi, 1988)
45		Pumpkinhead (Fantasy, Horror, 1988)
45		Lone Wolf (Horror, Sci-Fi, 1988)
45		The Creeping Flesh (Horror, Sci-Fi, 1973)
45		Halloween 5 (Horror, Thriller, 1989)
45		Dr Jekyll & Sister Hyde (Horror, Sci-Fi, 1971)
45		The Terror Within II (Horror, Sci-Fi, 1991)
45		Driller (Horror, Sci-Fi, 2006)
45		When a Stranger Calls (Horror, Thriller, 2006)
45		Monster on the Campus (Horror, Sci-Fi, 1958)
45		Blood of the Vampire (Horror, Sci-Fi, 1958)
45		Pin (Horror, Thriller, 1988)
45		The Alligator People (Horror, Sci-Fi, 1959)
45		Alien Prey (Horror, Sci-Fi, 1977)
45		Campfire Tales (Horror, 1997)
45		The Brood (Horror, Sci-Fi, 1979)
45		The Revenge of Frankenstein (Horror, 1958)
45		Neon Maniacs (Horror, Thriller, 1986)
45		The Devil-Doll (Sci-Fi, Horror, 1936)
45		She Devil (Horror, Sci-Fi, 1957)
45		Future Shock (Sci-Fi, Horror, 1994)
45		The Man Who Turned to Stone (Horror, Sci-Fi, 1957)
45		Jeepers Creepers (Horror, Mystery, 2001)
45		Island Claws (Horror, Sci-Fi, 1980)
45		Not Like Us (Horror, Sci-Fi, 1995)
45		The Black Scorpion (Horror, Sci-Fi, 1957)
45		Alone in the Dark (Horror, Thriller, 1982)
45		...E tu vivrai nel terrore! L'aldilà (Horror, 1981)
45		The Cyclops (Horror, Sci-Fi, 1957)
45		The Beast from 20,000 Fathoms (Adventure, Horror, Sci-Fi, 1953)
44		It Came from Beneath the Sea (Horror, Sci-Fi, 1955)
44		Day the World Ended (Horror, Sci-Fi, 1955)
44		The Thing (Horror, Mystery, Sci-Fi, 1982)
44		Nightbreed (Action, Fantasy, Horror, 1990)
44		Village of the Damned (Horror, Sci-Fi, 1960)
44		The Reeds (Horror, Mystery, Thriller, 2010)
44		Revenge of the Creature (Horror, Sci-Fi, 1955)
44		Weaverfish (Drama, Horror, Romance, 2013)
44		X the Unknown (Horror, Sci-Fi, 1956)
44		The Werewolf (Sci-Fi, Horror, 1956)
44		The Black Sleep (Horror, Sci-Fi, 1956)
43		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
43		Creature from the Black Lagoon (Horror, Sci-Fi, 1954)
43		The Maze (Horror, Sci-Fi, 1953)
43		The Brain That Wouldn't Die (Horror, Sci-Fi, 1962)
43		The Neanderthal Man (Horror, Sci-Fi, 1953)
43		Target Earth (Horror, Sci-Fi, 1954)
43		Unearthly Stranger (Horror, Sci-Fi, 1963)
42		House of Dracula (Fantasy, Horror, Sci-Fi, 1945)
42		Black Friday (Drama, Horror, Sci-Fi, 1940)
42		The Return of Doctor X (Horror, Mystery, Sci-Fi, 1939)
42		The Demolitionist (Action, Horror, Sci-Fi, 1995)
42		Godzilla vs. Destoroyah (Action, Horror, Sci-Fi, 1995)
42		Alien³ (Action, Horror, Sci-Fi, 1992)
42		God Told Me To (Crime, Horror, Sci-Fi, 1976)
42		The Last Man on Earth (Horror, Sci-Fi, 1964)
42		Children of the Damned (Horror, Sci-Fi, 1964)
42		Godzilla 1985 (Action, Horror, Sci-Fi, 1984)
42		The Crazies (Action, Horror, Sci-Fi, 1973)
42		House of Frankenstein (Fantasy, Horror, Sci-Fi, 1944)
42		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
42		4D Man (Sci-Fi, Horror, Romance, 1959)
42		Resident Evil: Apocalypse (Action, Horror, Sci-Fi, 2004)
42		Blood Beast from Outer Space (Horror, Sci-Fi, 1965)
42		Sting of Death (Horror, Sci-Fi, 1965)
42		AVP: Alien vs. Predator (Action, Horror, Sci-Fi, 2004)
41		This Island Earth (Horror, Mystery, Sci-Fi, 1955)
41		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
41		It! (Horror, Sci-Fi, 1967)
41		The Evil Dead (Fantasy, Horror, 1981)
41		Nightbeasts (Horror, Sci-Fi, 2010)
41		The Frozen Dead (Sci-Fi, Horror, 1966)
41		It Conquered the World (Horror, Sci-Fi, Thriller, 1956)
40		Transformations (Horror, Sci-Fi, 1988)
40		Slugs (Horror, Sci-Fi, 1988)
40		The Devil Bat (Horror, Sci-Fi, 1940)
40		The Corpse Vanishes (Horror, Sci-Fi, 1942)
40		Harbinger Down (Horror, Sci-Fi, 2015)
40		Death Warmed Over (Horror, Sci-Fi, 1984)
40		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1941)
40		Forever Evil (Horror, 1987)
40		Growth (Horror, Sci-Fi, 2010)
40		The Terror Within (Horror, Sci-Fi, 1989)
40		The Devil Commands (Horror, Sci-Fi, 1941)
40		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
40		The Asphyx (Horror, Sci-Fi, 1972)
40		Brides of Blood (Horror, Sci-Fi, 1968)
40		Captive Wild Woman (Horror, Sci-Fi, 1943)
40		The Man Who Lived Again (Horror, Sci-Fi, 1936)
40		The Toy Box (Horror, Sci-Fi, 1971)
40		Night of the Scarecrow (Horror, Sci-Fi, 1995)
40		Willard (Horror, Sci-Fi, 1971)
40		Shadowzone (Horror, Sci-Fi, 1990)
40		Demons (Horror, Romance, 1985)
40		The Prometheus Project (Horror, Sci-Fi, 2010)
40		Subterano (Horror, Sci-Fi, 2003)
40		Garden of the Dead (Sci-Fi, Horror, 1972)
40		Silent Night, Zombie Night (Horror, Sci-Fi, 2009)
40		The Curse (Sci-Fi, Horror, 1987)
40		The Man with Two Heads (Horror, Sci-Fi, 1972)
40		From Beyond (Horror, Sci-Fi, 1986)
40		Hellraiser: Bloodline (Horror, Sci-Fi, 1996)
40		Deep Space (Horror, Sci-Fi, 1988)
40		Debug (Horror, Sci-Fi, 2014)
40		Invasion of the Body Snatchers (Horror, Sci-Fi, 1978)
40		The Nest (Horror, Sci-Fi, 1988)
40		The Visitor (Horror, Sci-Fi, 1979)
40		The Pack (Horror, Thriller, 1977)
40		The Diabolical (Horror, Sci-Fi, 2015)
40		The Mutations (Horror, Sci-Fi, 1974)
40		Deadly Eyes (Horror, Sci-Fi, 1982)
40		Mimic (Horror, Sci-Fi, 1997)
40		Kingdom of the Spiders (Horror, Sci-Fi, 1977)
40		Return of the Living Dead III (Horror, Sci-Fi, 1993)
40		Night School (Horror, Mystery, 1981)
40		Alligator (Horror, Sci-Fi, 1980)
40		The Children (Horror, Sci-Fi, 1980)
40		Humanoids from the Deep (Horror, Sci-Fi, 1980)
40		The Sunderland Experiment (Horror, Sci-Fi, 2014)
40		Scintilla (Horror, Sci-Fi, 2014)
40		Prom Night (Horror, Thriller, 1980)
40		Hungerford (Horror, Sci-Fi, 2014)
40		Scared to Death (Horror, Sci-Fi, 1980)
40		The Fly II (Horror, Sci-Fi, 1989)
40		The Boogey Man (Horror, Sci-Fi, 1980)
40		The Lawnmower Man (Horror, Sci-Fi, 1992)
40		Demon Seed (Horror, Sci-Fi, 1977)
40		The Invisible Man's Revenge (Horror, Sci-Fi, 1944)
40		Spasms (Horror, Sci-Fi, 1983)
40		Embryo (Horror, Sci-Fi, 1976)
40		The Zombie Diaries (Horror, Sci-Fi, 2006)
40		Nightmares (Horror, Sci-Fi, 1983)
40		The Monster Maker (Horror, Sci-Fi, 1944)
40		Metamorphosis: The Alien Factor (Horror, Sci-Fi, 1990)
40		Pulse (Horror, Sci-Fi, 1988)
40		C.H.U.D. (Horror, Sci-Fi, 1984)
40		Dead Season (Horror, Sci-Fi, 2012)
40		Blood of the Beast (Horror, Sci-Fi, 2003)
40		13 Eerie (Horror, Sci-Fi, 2013)
40		Storage 24 (Horror, Sci-Fi, 2012)
40		Terror of Frankenstein (Horror, Sci-Fi, 1977)
40		The Jungle Captive (Horror, Sci-Fi, 1945)
40		Suspiria (Horror, Mystery, 1977)
40		Cameron's Closet (Horror, Sci-Fi, 1988)
40		Maggie (Drama, Horror, 2015)
40		The Frankenstein Theory (Horror, Sci-Fi, 2013)
40		The Bone Snatcher (Horror, Sci-Fi, 2003)
40		Aberration (Horror, Sci-Fi, 1997)
40		Ravager (Horror, Sci-Fi, 1997)
40		Frankenstein's Army (Horror, Sci-Fi, 2013)

Notes: Movies similar to The Blob, Movies like The Blob, Horror, Sci-Fi, Irvin S. Yeaworth Jr., Russell S. Doughten Jr., Steve McQueen, Aneta Corsaut, Earl Rowe, Olin Howland, Films, Video, Movie Similarities