99		Forbidden World (Horror, Sci-Fi, 1982)
99		Five Million Years to Earth (Horror, Mystery, Sci-Fi, 1967)
99		Transformers: Revenge of the Fallen (Action, Adventure, Sci-Fi, 2009)
99		Alien Outpost (Action, Sci-Fi, Thriller, 2014)
99		Infini (Horror, Sci-Fi, Thriller, 2015)
99		Pitch Black (Horror, Sci-Fi, 2000)
99		Species II (Action, Horror, Sci-Fi, 1998)
99		Virus (Action, Horror, Thriller, Sci-Fi, 1999)
99		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
99		The Purge: Anarchy (Action, Horror, Sci-Fi, 2014)
99		World War Z (Action, Adventure, Horror, Sci-Fi, 2013)
99		Dark Breed (Action, Horror, Sci-Fi, 1996)
99		The Darkest Hour (Action, Adventure, Horror, Sci-Fi, 2011)
97		The Man from Planet X (Horror, Romance, Sci-Fi, 1951)
97		Riddick (Action, Sci-Fi, Thriller, 2013)
95		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
95		Titan A.E. (Animation, Action, Adventure, Sci-Fi, 2000)
94		The Hidden (Action, Crime, Horror, Sci-Fi, 1987)
93		The Fifth Element (Action, Adventure, Sci-Fi, 1997)
93		Predator 2 (Action, Horror, Sci-Fi, 1990)
93		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
93		Ghost in the Machine (Horror, Sci-Fi, Thriller, 1993)
92		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
92		I Am Number Four (Action, Adventure, Sci-Fi, 2011)
92		Returner (Action, Adventure, Sci-Fi, 2002)
92		After Earth (Action, Adventure, Sci-Fi, 2013)
91		Alien Nation (Action, Crime, Sci-Fi, 1988)
91		They Live (Horror, Sci-Fi, Thriller, 1988)
90		Oblivion (Action, Adventure, Mystery, Sci-Fi, 2013)
90		Flash Gordon (Action, Adventure, Sci-Fi, 1980)
88		Forbidden Planet (Action, Adventure, Sci-Fi, 1956)
87		Plan 9 from Outer Space (Horror, Sci-Fi, 1959)
87		Alien³ (Action, Horror, Sci-Fi, 1992)
87		The Thing (Horror, Mystery, Sci-Fi, 2011)
86		Turkey Shoot (Drama, Horror, Sci-Fi, 1982)
85		Resident Evil (Action, Horror, Sci-Fi, 2002)
85		Predator (Action, Horror, Sci-Fi, 1987)
84		The Andromeda Strain (Sci-Fi, Thriller, 1971)
82		Beneath the Planet of the Apes (Action, Adventure, Sci-Fi, 1970)
82		I Married a Monster from Outer Space (Horror, Sci-Fi, 1958)
82		Invaders from Mars (Horror, Sci-Fi, 1986)
81		Star Trek: First Contact (Action, Adventure, Drama, Sci-Fi, 1996)
80		Ultraviolet (Action, Horror, Sci-Fi, 2006)
80		Blade II (Action, Horror, Sci-Fi, 2002)
79		Starman (Romance, Sci-Fi, 1984)
79		The Satan Bug (Crime, Mystery, Sci-Fi, 1965)
77		Star Trek Beyond (Action, Adventure, Sci-Fi, 2016)
77		Zone Troopers (Action, Adventure, Sci-Fi, 1985)
76		Alien (Horror, Sci-Fi, 1979)
75		AVP: Alien vs. Predator (Action, Horror, Sci-Fi, 2004)
75		Pandorum (Action, Horror, Mystery, Sci-Fi, 2009)
74		The Arrival (Sci-Fi, Thriller, 1996)
74		Invasion of the Body Snatchers (Horror, Sci-Fi, 1978)
73		Serenity (Action, Adventure, Sci-Fi, 2005)
72		John Carter (Action, Adventure, Sci-Fi, 2012)
72		Split Second (Action, Crime, Horror, Sci-Fi, 1992)
72		X-Men: Apocalypse (Action, Adventure, Sci-Fi, 2016)
72		Trancers (Action, Sci-Fi, 1984)
72		Creature (Horror, Sci-Fi, 1985)
70		Underworld: Evolution (Action, Adventure, Fantasy, Sci-Fi, 2006)
70		The Wraith (Action, Horror, Romance, Sci-Fi, 1986)
70		The Host (Action, Adventure, Romance, Sci-Fi, 2013)
69		Silent Running (Drama, Sci-Fi, 1972)
69		THX 1138 (Crime, Drama, Sci-Fi, 1971)
69		Invaders from Mars (Sci-Fi, 1953)
69		Guardians of the Galaxy (Action, Adventure, Sci-Fi, 2014)
69		The Avengers (Action, Sci-Fi, Thriller, 2012)
68		Star Trek (Action, Adventure, Sci-Fi, 2009)
68		28 Days Later... (Drama, Horror, Sci-Fi, 2002)
68		Edge of Tomorrow (Action, Adventure, Sci-Fi, 2014)
67		The Mysterians (Action, Sci-Fi, Thriller, 1957)
67		Battle Los Angeles (Action, Sci-Fi, 2011)
67		The 5th Wave (Action, Adventure, Sci-Fi, 2016)
67		Earth vs. the Flying Saucers (Action, Sci-Fi, 1956)
67		Skyline (Action, Sci-Fi, Thriller, 2010)
67		The Last Man on Earth (Horror, Sci-Fi, 1964)
67		Transformers (Action, Adventure, Sci-Fi, 2007)
67		Pacific Rim (Action, Adventure, Sci-Fi, 2013)
67		The Faculty (Horror, Mystery, Sci-Fi, 1998)
67		Goke, Body Snatcher from Hell (Horror, Sci-Fi, 1968)
67		Deadly Friend (Drama, Horror, Sci-Fi, 1986)
67		Universal Soldier: The Return (Action, Sci-Fi, 1999)
67		The War of the Worlds (Action, Sci-Fi, Thriller, 1953)
67		Independence Day (Action, Adventure, Sci-Fi, 1996)
65		Priest (Action, Fantasy, Horror, Sci-Fi, 2011)
65		Monsters vs. Aliens (Animation, Action, Adventure, Sci-Fi, 2009)
65		Star Wars: Episode I - The Phantom Menace (Action, Adventure, Fantasy, Sci-Fi, 1999)
64		Sphere (Drama, Mystery, Sci-Fi, 1998)
64		The Day the Earth Stood Still (Drama, Sci-Fi, Thriller, 2008)
64		Sunshine (Adventure, Sci-Fi, Thriller, 2007)
63		Captain America: The Winter Soldier (Action, Adventure, Sci-Fi, 2014)
63		Stargate (Action, Adventure, Sci-Fi, 1994)
63		I Come in Peace (Action, Crime, Horror, Sci-Fi, 1990)
63		Demolition Man (Action, Crime, Sci-Fi, 1993)
63		The Thing (Horror, Mystery, Sci-Fi, 1982)
62		The Chronicles of Riddick (Action, Adventure, Sci-Fi, 2004)
62		Extraterrestrial (Horror, Sci-Fi, 2014)
62		Starship Troopers 3: Marauder (Action, Adventure, Sci-Fi, 2008)
62		Robot Overlords (Action, Adventure, Sci-Fi, 2014)
62		Cowboys & Aliens (Action, Sci-Fi, Thriller, 2011)
62		Dreamcatcher (Drama, Horror, Sci-Fi, 2003)
62		Lockout (Action, Adventure, Sci-Fi, 2012)
62		Starship Troopers (Action, Sci-Fi, 1997)
62		Invasion of Astro-Monster (Action, Adventure, Sci-Fi, 1965)
62		The Last Starfighter (Action, Adventure, Sci-Fi, 1984)
62		Altered (Horror, Sci-Fi, Thriller, 2006)
61		Xtro (Horror, Sci-Fi, 1982)
61		Aliens (Adventure, Sci-Fi, Thriller, 1986)
61		Close Encounters of the Third Kind (Drama, Sci-Fi, 1977)
61		Slugs (Horror, Sci-Fi, 1988)
61		Cowboy Bebop: The Movie (Animation, Action, Crime, Sci-Fi, 2001)
60		Battle for Terra (Animation, Action, Adventure, Sci-Fi, 2007)
60		Daybreakers (Action, Horror, Sci-Fi, 2009)
60		Blade: Trinity (Action, Adventure, Fantasy, Sci-Fi, 2004)
59		Phantasm (Fantasy, Horror, Sci-Fi, 1979)
59		The Dark (Horror, Sci-Fi, 1979)
59		Phantasm II (Action, Fantasy, Horror, Sci-Fi, 1988)
58		Galaxy of Terror (Action, Adventure, Horror, Sci-Fi, 1981)
58		God Told Me To (Crime, Horror, Sci-Fi, 1976)
57		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
57		The Scorch Trials (Action, Sci-Fi, Thriller, 2015)
57		House of Dracula (Fantasy, Horror, Sci-Fi, 1945)
57		Repo Men (Action, Crime, Sci-Fi, 2010)
57		Battleship (Action, Adventure, Sci-Fi, 2012)
57		The Purple Monster Strikes (Action, Sci-Fi, 1945)
57		Ender's Game (Action, Sci-Fi, 2013)
57		It! The Terror from Beyond Space (Horror, Sci-Fi, 1958)
57		Independence Day: Resurgence (Action, Adventure, Sci-Fi, 2016)
57		Star Trek: Insurrection (Action, Adventure, Sci-Fi, 1998)
57		The Quatermass Xperiment (Horror, Sci-Fi, 1955)
57		Batman v Superman: Dawn of Justice (Action, Adventure, Sci-Fi, 2016)
57		Flash Gordon Conquers the Universe (Action, Sci-Fi, Adventure, 1940)
57		Interstellar (Adventure, Drama, Sci-Fi, 2014)
57		The Return of Doctor X (Horror, Mystery, Sci-Fi, 1939)
56		Strange Invaders (Horror, Mystery, Sci-Fi, 1983)
55		Deep Impact (Action, Drama, Romance, Sci-Fi, 1998)
55		10 Cloverfield Lane (Drama, Horror, Mystery, Sci-Fi, 2016)
55		Alien Raiders (Action, Horror, Sci-Fi, 2008)
55		Species (Action, Horror, Romance, Sci-Fi, 1995)
55		Resident Evil: Degeneration (Animation, Action, Horror, Sci-Fi, 2008)
55		Alien: Resurrection (Action, Horror, Sci-Fi, 1997)
55		Moontrap (Horror, Sci-Fi, 1989)
54		Death House (Action, Horror, Sci-Fi, 1987)
54		Invasion (Sci-Fi, 1966)
54		The Invasion (Sci-Fi, Thriller, 2007)
54		The Medusa Touch (Horror, Sci-Fi, 1978)
54		The Arrival (Horror, Sci-Fi, 1991)
53		Capricorn One (Action, Sci-Fi, Thriller, 1977)
53		Heavy Metal (Animation, Adventure, Fantasy, Sci-Fi, 1981)
53		District 9 (Action, Sci-Fi, Thriller, 2009)
52		The Cell (Horror, Sci-Fi, Thriller, 2000)
52		Queen of Blood (Horror, Sci-Fi, 1966)
52		The Earth Dies Screaming (Horror, Sci-Fi, 1964)
52		Gorath (Action, Sci-Fi, Thriller, 1962)
52		Looker (Drama, Sci-Fi, Thriller, 1981)
52		Invisible Invaders (Sci-Fi, Horror, 1959)
52		Area 51 (Horror, Sci-Fi, Thriller, 2015)
52		Not of This Earth (Horror, Sci-Fi, 1957)
52		It Came from Outer Space (Horror, Sci-Fi, 1953)
52		Night Skies (Horror, Sci-Fi, Thriller, 2007)
52		Dredd (Action, Sci-Fi, 2012)
52		Star Wars: The Force Awakens (Action, Adventure, Fantasy, Sci-Fi, 2015)
52		Dark Skies (Horror, Sci-Fi, Thriller, 2013)
52		Escape from the Planet of the Apes (Action, Sci-Fi, 1971)
52		The Brain Eaters (Sci-Fi, Horror, 1958)
52		Lucy (Action, Sci-Fi, Thriller, 2014)
51		2001: A Space Odyssey (Adventure, Mystery, Sci-Fi, 1968)
51		Phantasm III: Lord of the Dead (Action, Fantasy, Horror, Sci-Fi, 1994)
51		Invisible: The Chronicles of Benjamin Knight (Action, Horror, Sci-Fi, 1993)
51		The Deadly Spawn (Horror, Sci-Fi, 1983)
50		Outland (Action, Crime, Sci-Fi, 1981)
50		Heavy Metal 2000 (Animation, Action, Adventure, Sci-Fi, 2000)
50		The Human Race (Action, Horror, Sci-Fi, 2013)
49		Impostor (Drama, Mystery, Sci-Fi, 2001)
49		Europa Report (Sci-Fi, Thriller, 2013)
49		The X Files (Drama, Mystery, Sci-Fi, 1998)
49		Robinson Crusoe on Mars (Adventure, Sci-Fi, 1964)
49		Project Almanac (Sci-Fi, Thriller, 2015)
48		Invasion of the Body Snatchers (Horror, Sci-Fi, 1956)
48		Time Runner (Action, Adventure, Sci-Fi, 1993)
47		Alien Warrior (Action, Crime, Sci-Fi, 1986)
47		Conquest of the Planet of the Apes (Action, Sci-Fi, 1972)
47		Unearthed (Horror, Mystery, Sci-Fi, 2007)
47		The Walking Dead (Crime, Horror, Sci-Fi, 1936)
47		The Thing from Another World (Horror, Sci-Fi, 1951)
47		Son of Frankenstein (Sci-Fi, Horror, Drama, 1939)
47		The Blob (Horror, Sci-Fi, 1958)
47		Foiled (Action, Drama, Sci-Fi, 2000)
47		Repo! The Genetic Opera (Horror, Musical, Sci-Fi, 2008)
47		It Conquered the World (Horror, Sci-Fi, Thriller, 1956)
47		Outlander (Action, Adventure, Sci-Fi, 2008)
47		20 Million Miles to Earth (Fantasy, Horror, Sci-Fi, 1957)
47		She-Demons of the Black Sun (Horror, Sci-Fi, 2006)
47		Laserhawk (Action, Adventure, Sci-Fi, 1997)
47		When Worlds Collide (Action, Sci-Fi, Thriller, 1951)
47		Dr Jekyll & Sister Hyde (Horror, Sci-Fi, 1971)
47		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
47		The Toy Box (Horror, Sci-Fi, 1971)
46		Star Wars: Episode III - Revenge of the Sith (Action, Adventure, Fantasy, Sci-Fi, 2005)
46		Demonwarp (Horror, Mystery, Sci-Fi, 1988)
46		Avatar (Action, Adventure, Fantasy, Sci-Fi, 2009)
46		The Brain (Horror, Sci-Fi, 1988)
46		Mad Max 2: The Road Warrior (Action, Adventure, Sci-Fi, 1981)

Notes: Movies similar to Lifeforce, Movies like Lifeforce, Action, Horror, Sci-Fi, Tobe Hooper, Steve Railsback, Mathilda May, Peter Firth, Frank Finlay, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities