49		The Hiking Trip (Horror, Sci-Fi, Thriller, 2007)
48		Supernova (Horror, Sci-Fi, Thriller, 2000)
45		Endangered Species (Horror, Sci-Fi, Thriller, 2003)
45		Anatomie 2 (Horror, Sci-Fi, Thriller, 2003)
45		Isolation (Horror, Sci-Fi, Thriller, 2005)
44		Kaw (Horror, Sci-Fi, Thriller, 2007)
44		The Remnant (Horror, Sci-Fi, Thriller, 2001)
44		Night Skies (Horror, Sci-Fi, Thriller, 2007)
44		The Signal (Horror, Sci-Fi, Thriller, 2007)
44		Mulberry St (Horror, Sci-Fi, Thriller, 2006)
44		The Hunt (Horror, Sci-Fi, Thriller, 2006)
44		Altered (Horror, Sci-Fi, Thriller, 2006)
43		Frankenstein Unlimited (Horror, Sci-Fi, Thriller, 2009)
43		Dead Air (Horror, Sci-Fi, Thriller, 2009)
43		Beacon77 (Horror, Sci-Fi, Thriller, 2009)
43		The Thaw (Horror, Sci-Fi, Thriller, 2009)
43		The Cell (Horror, Sci-Fi, Thriller, 2000)
43		2084 (Horror, Sci-Fi, Thriller, 2009)
43		Komodo (Horror, Sci-Fi, Thriller, 1999)
43		The Rage: Carrie 2 (Horror, Sci-Fi, Thriller, 1999)
43		eXistenZ (Horror, Sci-Fi, Thriller, 1999)
43		Quarantine (Horror, Sci-Fi, Thriller, 2008)
43		Asylum (Horror, Sci-Fi, Thriller, 2008)
43		Splinter (Horror, Sci-Fi, Thriller, 2008)
43		Presence (Horror, Sci-Fi, Thriller, 2008)
43		The Objective (Horror, Sci-Fi, Thriller, 2008)
42		The Collective (Horror, Sci-Fi, Thriller, 2011)
42		Super Hybrid (Horror, Sci-Fi, Thriller, 2010)
42		Event Horizon (Horror, Sci-Fi, Thriller, 1997)
42		State of Emergency (Horror, Sci-Fi, Thriller, 2011)
42		Pickman's Muse (Horror, Sci-Fi, Thriller, 2010)
42		The Millennium Bug (Horror, Sci-Fi, Thriller, 2011)
42		Savage (Horror, Sci-Fi, Thriller, 2011)
42		Unaware (Horror, Sci-Fi, Thriller, 2010)
42		Progeny (Horror, Sci-Fi, Thriller, 1998)
42		Spaceship Terror (Horror, Sci-Fi, Thriller, 2011)
41		The Island of Dr. Moreau (Horror, Sci-Fi, Thriller, 1996)
41		Rage of the Innocents (Action, Sci-Fi, Thriller, 2001)
41		Village of the Damned (Horror, Sci-Fi, Thriller, 1995)
41		The Last Days on Mars (Horror, Sci-Fi, Thriller, 2013)
41		Patrick (Horror, Sci-Fi, Thriller, 2013)
41		Dark Mountain (Horror, Sci-Fi, Thriller, 2013)
41		Driller (Horror, Sci-Fi, 2006)
41		The Purge (Horror, Sci-Fi, Thriller, 2013)
41		Almost Human (Horror, Sci-Fi, Thriller, 2013)
41		Antiviral (Horror, Sci-Fi, Thriller, 2012)
41		Specter (Horror, Sci-Fi, Thriller, 2012)
41		The Ghostmaker (Horror, Sci-Fi, Thriller, 2012)
41		Dark Skies (Horror, Sci-Fi, Thriller, 2013)
40		X: The Man with the X-Ray Eyes (Horror, Sci-Fi, Thriller, 1963)
40		Night Shadows (Horror, Sci-Fi, Thriller, 1984)
40		Phase IV (Horror, Sci-Fi, Thriller, 1974)
40		The Dead Zone (Horror, Sci-Fi, Thriller, 1983)
40		Night of the Lepus (Horror, Sci-Fi, Thriller, 1972)
40		Panic in Year Zero! (Horror, Sci-Fi, Thriller, 1962)
40		Space Master X-7 (Horror, Sci-Fi, Thriller, 1958)
40		It Conquered the World (Horror, Sci-Fi, Thriller, 1956)
40		The Deadly Mantis (Horror, Sci-Fi, Thriller, 1957)
40		Andromina: The Pleasure Planet (Fantasy, Horror, Sci-Fi, 1999)
40		Day of the Animals (Horror, Sci-Fi, Thriller, 1977)
40		The Vampire (Horror, Sci-Fi, Thriller, 1957)
40		Altered States (Horror, Sci-Fi, Thriller, 1980)
40		The Lady and the Monster (Horror, Sci-Fi, Thriller, 1944)
40		Containment (Horror, Sci-Fi, Thriller, 2015)
40		The Invisible Ray (Horror, Sci-Fi, Thriller, 1936)
40		The Mad Ghoul (Horror, Sci-Fi, Thriller, 1943)
40		Occupants (Horror, Sci-Fi, Thriller, 2015)
40		They Live (Horror, Sci-Fi, Thriller, 1988)
40		Spontaneous Combustion (Horror, Sci-Fi, Thriller, 1990)
40		Project Nightmare (Horror, Sci-Fi, Thriller, 1987)
40		Primal Rage (Horror, Sci-Fi, Thriller, 1988)
40		Man Vs. (Horror, Sci-Fi, Thriller, 2015)
40		The Hollow One (Horror, Sci-Fi, Thriller, 2015)
40		The Lazarus Effect (Horror, Sci-Fi, Thriller, 2015)
40		Plan 9 (Horror, Sci-Fi, Thriller, 2015)
40		Infini (Horror, Sci-Fi, Thriller, 2015)
40		Truth (Horror, Sci-Fi, Thriller, 2014)
40		Beyond the Dark (Horror, Sci-Fi, Thriller, 2014)
40		Area 51 (Horror, Sci-Fi, Thriller, 2015)
40		Cabin Fever: Patient Zero (Horror, Sci-Fi, Thriller, 2014)
40		Alien Abduction (Horror, Sci-Fi, Thriller, 2014)
40		Cell (Horror, Sci-Fi, Thriller, 2016)
40		Night People (Horror, Sci-Fi, Thriller, 2015)
40		Ghost in the Machine (Horror, Sci-Fi, Thriller, 1993)
40		Mindwarp (Horror, Sci-Fi, Thriller, 1992)
40		The Puppet Masters (Horror, Sci-Fi, Thriller, 1994)
40		Body Snatchers (Sci-Fi, Horror, Thriller, 1993)
40		The Blob (Horror, Sci-Fi, Thriller, 1988)
40		The Kindred (Horror, Sci-Fi, Thriller, 1987)
38		Night of the Scarecrow (Horror, Sci-Fi, 1995)
37		Purple Glow (Horror, Sci-Fi, 2005)
37		The Degenerates (Sci-Fi, Thriller, 1967)
37		Alien Prey (Horror, Sci-Fi, 1977)
37		Electronic Lover (Sci-Fi, Thriller, 1966)
36		Project Grey (Sci-Fi, Thriller, 2007)
36		Xchange (Sci-Fi, Thriller, 2001)
34		Beyond the Realm (Romance, Sci-Fi, Thriller, 2011)
34		Species II (Action, Horror, Sci-Fi, 1998)
34		Hysteria (Drama, Sci-Fi, Thriller, 1997)
34		Phantasm IV: Oblivion (Fantasy, Horror, Sci-Fi, 1998)
34		Still Waters (Horror, Sci-Fi, 2011)
33		Virus (Action, Horror, Thriller, Sci-Fi, 1999)
33		Dreammaster: The Erotic Invader (Sci-Fi, Thriller, 1996)
33		Donnie Darko (Drama, Sci-Fi, Thriller, 2001)
33		Terminal Justice (Action, Sci-Fi, Thriller, 1996)
33		Aurora (Romance, Sci-Fi, Thriller, 2012)
33		Under the Skin (Drama, Horror, Sci-Fi, 2013)
33		These Final Hours (Drama, Sci-Fi, Thriller, 2013)
33		Epitaph: Bread and Salt (Action, Horror, Sci-Fi, 2013)
32		Cube Zero (Horror, Mystery, Sci-Fi, 2004)
32		Resident Evil: Apocalypse (Action, Horror, Sci-Fi, 2004)
32		The Final Cut (Action, Sci-Fi, Thriller, 2004)
32		The I Inside (Mystery, Sci-Fi, Thriller, 2004)
32		Corn (Drama, Sci-Fi, Thriller, 2004)
32		Godsend (Drama, Horror, Sci-Fi, 2004)
32		Sting of Death (Horror, Sci-Fi, 1965)
32		The Survivalist (Drama, Sci-Fi, Thriller, 2015)
32		AVP: Alien vs. Predator (Action, Horror, Sci-Fi, 2004)
32		Slipstream (Action, Sci-Fi, Thriller, 2005)
32		Primer (Drama, Sci-Fi, Thriller, 2004)
32		Dr Jekyll & Sister Hyde (Horror, Sci-Fi, 1971)
32		An Incident at Bridgeville (Horror, Mystery, Sci-Fi, 2005)
32		Headspace (Horror, Mystery, Sci-Fi, 2005)
32		Children of Men (Drama, Sci-Fi, Thriller, 2006)
32		Colossus: The Forbin Project (Sci-Fi, Thriller, 1970)
32		11:59 (Mystery, Sci-Fi, Thriller, 2005)
32		Stomp! Shout! Scream! (Music, Horror, Sci-Fi, 2005)
32		Cameron's Closet (Horror, Sci-Fi, 1988)
32		Creatures the World Forgot (Adventure, Horror, Sci-Fi, 1971)
32		The Eavesdropper (Drama, Thriller, Sci-Fi, 2004)
32		Sigma (Action, Sci-Fi, Thriller, 2005)
32		Star Party (Horror, Sci-Fi, 2005)
32		War of the Worlds (Adventure, Sci-Fi, Thriller, 2005)
32		Control (Crime, Sci-Fi, Thriller, 2004)
32		Subterano (Horror, Sci-Fi, 2003)
32		Syngenor (Horror, Sci-Fi, 1990)
32		Looker (Drama, Sci-Fi, Thriller, 1981)
32		Shadowzone (Horror, Sci-Fi, 1990)
32		Phantasm (Fantasy, Horror, Sci-Fi, 1979)
32		The Bone Snatcher (Horror, Sci-Fi, 2003)
32		Swamp Thing (Horror, Sci-Fi, 1982)
32		Return of the Living Dead III (Horror, Romance, Sci-Fi, 1993)
32		Twilight Zone: The Movie (Fantasy, Horror, Sci-Fi, 1983)
32		Class of 1999 II: The Substitute (Action, Horror, Sci-Fi, 1994)
32		Invisible: The Chronicles of Benjamin Knight (Action, Horror, Sci-Fi, 1993)
32		Xtro (Horror, Sci-Fi, 1982)
32		Transformations (Horror, Sci-Fi, 1988)
32		Invasion of the Body Snatchers (Horror, Sci-Fi, 1978)
32		Lifeforce (Action, Horror, Sci-Fi, 1985)
32		Monsters: Dark Continent (Drama, Sci-Fi, Thriller, 2014)
32		Demon Seed (Horror, Sci-Fi, 1977)
32		The Scribbler (Mystery, Sci-Fi, Thriller, 2014)
32		Dreamcatcher (Drama, Horror, Sci-Fi, 2003)
32		Absolon (Sci-Fi, Action, Thriller, 2003)
32		Blood of the Beast (Horror, Sci-Fi, 2003)
32		If (Thriller, Sci-Fi, 2003)
32		God Told Me To (Crime, Horror, Sci-Fi, 1976)
32		28 Days Later... (Drama, Horror, Sci-Fi, 2002)
32		Willard (Drama, Horror, Sci-Fi, 2003)
31		Mark of the Damned (Horror, Sci-Fi, 2006)
31		Replicant (Action, Sci-Fi, Thriller, 2001)
31		Ghosts of Mars (Action, Horror, Sci-Fi, 2001)
31		Resident Evil (Action, Horror, Sci-Fi, 2002)
31		Blade II (Action, Horror, Sci-Fi, 2002)
31		Terminal Error (Thriller, Sci-Fi, 2002)
31		Cube²: Hypercube (Sci-Fi, Thriller, 2002)
31		Aparelho Voador a Baixa Altitude (Thriller, Sci-Fi, 2002)
31		Feedback (Sci-Fi, Thriller, 2002)
31		The Source (Thriller, Sci-Fi, 2002)
31		Alien Factor 2: The Alien Rampage (Horror, Sci-Fi, 2001)
31		Anthrax (Drama, Sci-Fi, Thriller, 2001)
31		The One (Action, Sci-Fi, Thriller, 2001)
31		Jason X (Action, Horror, Sci-Fi, 2001)
31		Unearthed (Horror, Mystery, Sci-Fi, 2007)
31		Liar's Pendulum (Action, Sci-Fi, Thriller, 2007)
31		Algeny: The Genetic Factor (Sci-Fi, Thriller, 2007)
31		Rip Cage (Horror, Mystery, Sci-Fi, 2007)
31		Subject 87 (Horror, Sci-Fi, 2007)
31		Tree (Drama, Horror, Sci-Fi, 2007)
31		The Invasion (Sci-Fi, Thriller, 2007)
31		Resident Evil: Extinction (Action, Horror, Sci-Fi, 2007)
31		District 9 (Action, Sci-Fi, Thriller, 2009)
31		Ultraviolet (Action, Horror, Sci-Fi, 2006)
31		I Am Legend (Drama, Horror, Sci-Fi, 2007)
31		Dark Paradox (Horror, Sci-Fi, 2007)
31		28 Weeks Later (Drama, Horror, Sci-Fi, 2007)
31		Aliens vs. Predator: Requiem (Action, Horror, Sci-Fi, 2007)
31		Next (Action, Sci-Fi, Thriller, 2007)
31		Pulse (Drama, Horror, Sci-Fi, 2006)
31		The Butterfly Effect 2 (Sci-Fi, Thriller, 2006)
31		She-Demons of the Black Sun (Horror, Sci-Fi, 2006)
31		Out of State (Horror, Sci-Fi, 2006)
31		The Zombie Diaries (Horror, Sci-Fi, 2006)
31		Sunshine (Adventure, Sci-Fi, Thriller, 2007)
31		Flight of the Living Dead (Action, Horror, Sci-Fi, 2007)
31		Dreamland (Sci-Fi, Horror, Mystery, 2007)
31		The Moment After II: The Awakening (Drama, Sci-Fi, Thriller, 2006)
31		Deja Vu (Action, Sci-Fi, Thriller, 2006)
30		Red Planet (Action, Sci-Fi, Thriller, 2000)
30		Mission to Mars (Adventure, Sci-Fi, Thriller, 2000)
30		TapeWorm (Horror, Sci-Fi, 2009)
30		Hollow Man (Action, Horror, Sci-Fi, 2000)
30		The Creature Below (Horror, Sci-Fi, 2016)
30		Brainjacked (Horror, Sci-Fi, 2009)
30		Silent Night, Zombie Night (Horror, Sci-Fi, 2009)
30		Ghost Machine (Action, Sci-Fi, Thriller, 2009)
30		Hunting Grounds (Horror, Sci-Fi, 2009)
30		Orn (Horror, Sci-Fi, 2009)
30		War Stories (Mystery, Sci-Fi, Thriller, 2009)
30		The Avengers (Action, Sci-Fi, Thriller, 2012)
30		Mjesto na kojem je umro posljednji covjek (Drama, Horror, Sci-Fi, 2010)
30		Murder by Phone (Horror, Thriller, Mystery, Sci-Fi, 1982)
30		Twelve Monkeys (Mystery, Sci-Fi, Thriller, 1995)
30		The Fourth Kind (Mystery, Sci-Fi, Thriller, 2009)
30		Gattaca (Drama, Sci-Fi, Thriller, 1997)
30		The Thirteenth Floor (Mystery, Sci-Fi, Thriller, 1999)
30		The Moment After (Drama, Sci-Fi, Thriller, 1999)
30		Tribulation (Drama, Sci-Fi, Thriller, 2000)
30		Fate (Drama, Sci-Fi, Thriller, 2013)
30		The Astronaut's Wife (Drama, Sci-Fi, Thriller, 1999)
30		Deep Blue Sea (Action, Sci-Fi, Thriller, 1999)
30		Pitch Black (Horror, Sci-Fi, 2000)
30		Daybreakers (Action, Horror, Sci-Fi, 2009)
30		The Happening (Sci-Fi, Thriller, 2008)
30		Willows Way (Sci-Fi, Thriller, 2008)
30		Repo! The Genetic Opera (Horror, Musical, Sci-Fi, 2008)
30		The Chinese Room (Mystery, Sci-Fi, Thriller, 2008)
30		Death Race (Action, Sci-Fi, Thriller, 2008)
30		Chemical Wedding (Horror, Mystery, Sci-Fi, 2008)
30		Splice (Drama, Horror, Sci-Fi, 2009)
30		Hellboy (Action, Fantasy, Horror, Sci-Fi, 2004)
30		Cloverfield (Action, Horror, Sci-Fi, 2008)
30		Scourge (Horror, Mystery, Sci-Fi, 2008)
30		Outpost (Action, Horror, Sci-Fi, 2008)
30		Alien Raiders (Action, Horror, Sci-Fi, 2008)
30		Doomsday (Action, Sci-Fi, Thriller, 2008)
30		Gamer (Action, Sci-Fi, Thriller, 2009)
30		From the Dark (Drama, Horror, Sci-Fi, 2009)
30		Carriers (Drama, Horror, Sci-Fi, 2009)
30		Paradise Cove (Adventure, Horror, Sci-Fi, 2008)
30		Tetsuo: The Bullet Man (Action, Horror, Sci-Fi, 2009)
30		Chronicles of the Beyond (Sci-Fi, Thriller, 2009)
30		Tell Tale (Drama, Horror, Sci-Fi, 2009)
30		The Day the Earth Stood Still (Drama, Sci-Fi, Thriller, 2008)
30		Children of the X-Files (Horror, Sci-Fi, 2009)
30		The Butterfly Effect 3: Revelations (Crime, Sci-Fi, Thriller, 2009)
30		Push (Action, Sci-Fi, Thriller, 2009)

Notes: Movies similar to Guardian of the Realm, Movies like Guardian of the Realm, Sci-Fi, Horror, Thriller, 'Evil' Ted Smith, Glen Levy, Tanya Dempsey, Lana Piryan, Tom Seymour, SF, Science Fiction, SciFi, Sci Fi, Films, Video, Movie Similarities