99		Hellraiser (Fantasy, Horror, 1987)
97		Wolfen (Horror, Thriller, 1981)
93		C.H.U.D. (Horror, Sci-Fi, 1984)
88		The Deadly Spawn (Horror, Sci-Fi, 1983)
84		Donkey Punch (Crime, Drama, Horror, 2008)
83		The Lawnmower Man (Horror, Sci-Fi, 1992)
82		Possession (Drama, Horror, 1981)
81		Humanoids from the Deep (Horror, Sci-Fi, 1980)
80		The Faculty (Horror, Sci-Fi, 1998)
80		Attack of the Crab Monsters (Horror, Sci-Fi, 1957)
77		Under the Skin (Drama, Horror, Sci-Fi, 2013)
77		The Blob (Horror, Sci-Fi, Thriller, 1988)
77		Twin Peaks: Fire Walk with Me (Drama, Fantasy, Horror, 1992)
77		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
76		The Children (Horror, Sci-Fi, 1980)
76		The Fly (Drama, Horror, Sci-Fi, 1986)
76		The Entity (Biography, Drama, Horror, 1982)
76		Night of the Demon (Adventure, Horror, 1980)
75		Sssssss (Horror, Sci-Fi, 1973)
75		The Spider (Horror, Sci-Fi, 1958)
75		Final Destination 2 (Horror, Thriller, 2003)
75		Train (Horror, Thriller, 2008)
75		Saw III (Horror, 2006)
74		Two Evil Eyes (Horror, 1990)
70		The Curse of Frankenstein (Horror, Sci-Fi, 1957)
70		Perkins' 14 (Horror, Thriller, 2009)
70		Invasion of the Bee Girls (Horror, Sci-Fi, 1973)
70		No One Lives (Horror, Thriller, 2012)
70		Invasion of the Body Snatchers (Horror, Sci-Fi, 1978)
70		Shivers (Horror, Sci-Fi, 1975)
70		Tarantula (Horror, Sci-Fi, 1955)
70		Jeepers Creepers (Horror, Mystery, 2001)
70		Evil Come Evil Go (Horror, 1972)
69		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
69		From Beyond (Horror, Sci-Fi, 1986)
68		The Wraith (Action, Horror, Romance, 1986)
67		Resident Evil: Extinction (Action, Horror, Sci-Fi, 2007)
67		The Living Dead Girl (Horror, 1982)
67		Hollow Man (Action, Horror, Sci-Fi, 2000)
66		The Prowler (Horror, Mystery, Thriller, 1981)
66		Cannibal Holocaust (Adventure, Horror, 1980)
65		The Monster That Challenged the World (Horror, Sci-Fi, 1957)
65		Dr Jekyll & Sister Hyde (Horror, Sci-Fi, 1971)
65		Horror Express (Horror, Sci-Fi, 1972)
65		Flesh for Frankenstein (Horror, 1973)
65		StageFright (Horror, 1987)
65		The Devil's Rejects (Crime, Horror, 2005)
65		Alien Prey (Horror, Sci-Fi, 1977)
64		The Fly (Drama, Fantasy, Horror, 1958)
64		Bone Tomahawk (Adventure, Drama, Horror, 2015)
64		A Nightmare on Elm Street 3: Dream Warriors (Action, Fantasy, Horror, 1987)
64		Cherry Falls (Horror, Mystery, Romance, 2000)
62		Godzilla, King of the Monsters! (Action, Horror, Sci-Fi, 1956)
62		Another World (Action, Horror, Sci-Fi, 2014)
62		The Howling (Horror, 1981)
62		The Thing (Horror, Mystery, Sci-Fi, 2011)
62		Supernova (Horror, Sci-Fi, Thriller, 2000)
62		Splice (Drama, Horror, Sci-Fi, 2009)
62		Death Screams (Horror, 1982)
62		The Surgeon (Horror, Thriller, 1995)
62		Trauma (Horror, Mystery, Thriller, 1993)
62		Unearthed (Horror, Mystery, Sci-Fi, 2007)
62		Swamp Thing (Horror, Sci-Fi, 1982)
61		Lifeforce (Action, Horror, Sci-Fi, 1985)
61		Invasion of the Body Snatchers (Horror, Sci-Fi, 1956)
61		Scream (Horror, Mystery, 1996)
61		Prophecy (Sci-Fi, Horror, 1979)
60		Mirrors (Horror, Mystery, 2008)
60		No Man's Land: The Rise of Reeker (Horror, Thriller, 2008)
60		Junk (Horror, 2000)
60		The Mist (Horror, Sci-Fi, 2007)
60		The Devil Bat (Horror, Sci-Fi, 1940)
60		Creature from the Black Lagoon (Horror, Sci-Fi, 1954)
60		The Mutations (Horror, Sci-Fi, 1974)
60		House of Wax (Horror, 2005)
60		The Mountain of the Cannibal God (Adventure, Horror, 1978)
60		Saw II (Horror, Mystery, 2005)
60		The Devil Commands (Horror, Sci-Fi, 1941)
60		The Creeping Flesh (Horror, Sci-Fi, 1973)
60		Captive Wild Woman (Horror, Sci-Fi, 1943)
60		Revenge of the Creature (Horror, Sci-Fi, 1955)
59		The Gift (Drama, Fantasy, Horror, 2000)
59		Half Light (Drama, Horror, Mystery, 2006)
59		Species (Action, Horror, Sci-Fi, 1995)
59		Rowing with the Wind (Drama, Horror, Mystery, 1988)
59		The Descent (Adventure, Horror, Thriller, 2005)
59		Surveillance (Crime, Drama, Horror, 2008)
59		The Descent: Part 2 (Adventure, Horror, Thriller, 2009)
58		Seedpeople (Horror, Sci-Fi, 1992)
58		White Slave (Adventure, Drama, Horror, 1985)
58		Nightmare City (Action, Horror, Sci-Fi, 1980)
57		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
57		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
57		Halloween II (Horror, 1981)
57		Dead & Buried (Horror, Mystery, 1981)
57		Alone in the Dark (Horror, Thriller, 1982)
57		Deadly Eyes (Horror, Sci-Fi, 1982)
56		Dracula (Fantasy, Horror, 1931)
56		Dr. Jekyll and Mr. Hyde (Horror, Sci-Fi, 1931)
55		Embryo (Horror, Sci-Fi, 1976)
55		It Came from Outer Space (Horror, Sci-Fi, 1953)
55		The Blob (Horror, Sci-Fi, 1958)
55		The Thing from Another World (Horror, Sci-Fi, 1951)
55		I Drink Your Blood (Horror, 1970)
55		The Brain Eaters (Sci-Fi, Horror, 1958)
55		Sinister (Horror, Mystery, 2012)
55		Carrie (Horror, 1976)
55		Terror of Frankenstein (Horror, Sci-Fi, 1977)
55		It Came from Beneath the Sea (Horror, Sci-Fi, 1955)
55		Fiend Without a Face (Horror, Sci-Fi, 1958)
55		Maniac (Horror, Thriller, 2012)
55		Amateur Porn Star Killer (Crime, Horror, 2006)
54		Book of Blood (Drama, Horror, Mystery, 2009)
54		Silent Rage (Action, Horror, Sci-Fi, 1982)
52		Scream for Help (Horror, Mystery, Crime, 1984)
52		Project: Metalbeast (Horror, Sci-Fi, 1995)
52		House of Frankenstein (Fantasy, Horror, Sci-Fi, 1944)
52		God Told Me To (Crime, Horror, Sci-Fi, 1976)
52		Kaw (Horror, Sci-Fi, Thriller, 2007)
52		Resident Evil: Apocalypse (Action, Horror, Sci-Fi, 2004)
51		Roger Corman's Frankenstein Unbound (Drama, Horror, Sci-Fi, 1990)
51		Bloodeaters (Horror, 1980)
51		Island Claws (Horror, Sci-Fi, 1980)
51		Steel and Lace (Action, Horror, Sci-Fi, 1991)
51		The Wicker Man (Horror, Mystery, 1973)
50		Blue Monkey (Horror, 1987)
50		Eden Lake (Horror, Thriller, 2008)
50		The Day of the Triffids (Horror, Sci-Fi, 1962)
50		Dark Age (Adventure, Horror, 1987)
50		The Neon Demon (Horror, Thriller, 2016)
50		Children of the Damned (Horror, Sci-Fi, 1964)
50		Willard (Horror, Sci-Fi, 1971)
50		Night Shadows (Horror, Sci-Fi, Thriller, 1984)
50		Anaconda (Action, Adventure, Horror, 1997)
50		The Curse of the Werewolf (Horror, 1961)
50		The Unknown Terror (Horror, Sci-Fi, 1957)
50		It! The Terror from Beyond Space (Horror, Sci-Fi, 1958)
50		Demon Seed (Horror, Sci-Fi, 1977)
50		The Neanderthal Man (Horror, Sci-Fi, 1953)
50		Godzilla 1985 (Action, Horror, Sci-Fi, 1984)
50		Enemy from Space (Sci-Fi, Horror, 1957)
50		Village of the Damned (Horror, Sci-Fi, 1960)
49		Dværgen (Adult, Crime, Horror, 1973)
48		Frankenstein (Drama, Horror, Sci-Fi, 1931)
48		The Hunger (Horror, 1983)
48		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
48		Phantasm (Fantasy, Horror, Sci-Fi, 1979)
47		Victor Frankenstein (Drama, Horror, Sci-Fi, 2015)
47		Dreamscape (Action, Adventure, Horror, 1984)
47		Man Made Monster (Drama, Horror, Sci-Fi, 1941)
47		Death Street USA (Action, Sci-Fi, Horror, 1988)
47		The House on Sorority Row (Horror, Mystery, Thriller, 1983)
47		The Beast from 20,000 Fathoms (Adventure, Horror, Sci-Fi, 1953)
47		Frankenstein Must Be Destroyed (Horror, Drama, Sci-Fi, 1969)
47		Andromina: The Pleasure Planet (Fantasy, Horror, Sci-Fi, 1999)
47		Reptilicus (Action, Horror, Sci-Fi, 1961)
47		The Pit (Horror, Mystery, 1981)
47		Daybreakers (Action, Horror, Sci-Fi, 2009)
47		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
47		Night Warning (Horror, 1982)
47		Carriers (Drama, Horror, Sci-Fi, 2009)
47		The Abominable Snowman (Adventure, Horror, Sci-Fi, 1957)
46		Flatliners (Drama, Horror, Sci-Fi, 1990)
46		Brain Dead (Horror, Mystery, Sci-Fi, 1990)
45		Undocumented (Horror, 2010)
45		Lone Wolf (Horror, Sci-Fi, 1988)
45		Transformations (Horror, Sci-Fi, 1988)
45		Driller (Horror, Sci-Fi, 2006)
45		Rejuvenatrix (Horror, Sci-Fi, 1988)
45		The Colossus of New York (Horror, Sci-Fi, 1958)
45		Offerings (Horror, 1989)
45		Deep Space (Horror, Sci-Fi, 1988)
45		Pulse (Horror, Sci-Fi, 1988)
45		The Nest (Horror, Sci-Fi, 1988)
45		The Crazies (Horror, Thriller, 2010)
45		Cameron's Closet (Horror, Sci-Fi, 1988)
45		I Spit on Your Grave 2 (Horror, Thriller, 2013)
45		It Follows (Horror, Mystery, 2014)
45		Peeping Tom (Drama, Horror, Thriller, 1960)
45		The Fly II (Horror, Sci-Fi, 1989)
45		Thanatomorphose (Horror, 2012)
45		Little Deaths (Horror, 2011)
45		Heartstopper (Horror, Thriller, 2006)
45		Moontrap (Horror, Sci-Fi, 1989)
45		Berserker (Horror, 1987)
45		The Terror Within (Horror, Sci-Fi, 1989)
45		The Brain (Horror, Sci-Fi, 1988)
45		Invisible: The Chronicles of Benjamin Knight (Action, Horror, Sci-Fi, 1993)
45		The Evil of Frankenstein (Horror, 1964)
45		The Frozen Dead (Sci-Fi, Horror, 1966)
45		The Curse (Sci-Fi, Horror, 1987)
44		The Lost (Crime, Drama, Horror, 2006)
44		Creature (Horror, Sci-Fi, 1985)
44		Don't Look Now (Drama, Horror, Thriller, 1973)
44		Silver Bullet (Horror, 1985)
44		Like Minds (Crime, Horror, Mystery, 2006)
44		Deep Rising (Action, Adventure, Horror, 1998)
44		Day of the Dead (Horror, 1985)
44		The Arrival (Horror, Sci-Fi, 1991)
44		The Majorettes (Action, Crime, Horror, 1987)
44		Vampires (Action, Horror, Thriller, 1998)
44		Godzilla vs. Destoroyah (Action, Horror, Sci-Fi, 1995)
44		The Terror Within II (Horror, Sci-Fi, 1991)
44		Underworld: Awakening (Action, Fantasy, Horror, 2012)
44		Syngenor (Horror, Sci-Fi, 1990)
44		Shadowzone (Horror, Sci-Fi, 1990)
44		The Possession of Joel Delaney (Drama, Horror, Thriller, 1972)
44		Dog Soldiers (Action, Fantasy, Horror, 2002)
44		Metamorphosis: The Alien Factor (Horror, Sci-Fi, 1990)
44		Invaders from Mars (Horror, Sci-Fi, 1986)
44		Scanners (Action, Horror, Sci-Fi, 1981)
44		Demons 2 (Horror, 1986)

Notes: Movies similar to Slugs, Movies like Slugs, Horror, Sci-Fi, Juan Piquer Simón, Michael Garfield, Kim Terry, Philip MacHale, Alicia Moro, Films, Video, Movie Similarities