If you enjoyed the sci-fi horror thriller 'Decoys' (2004) and its blend of alien deception and college drama, you're in for a treat. This article explores 10 similar movies and shows that deliver the same mix of suspense, extraterrestrial intrigue, and youthful energy. Whether you're a fan of hidden alien threats or gripping survival stories, these picks will keep you on the edge of your seat.

Invasion of the Body Snatchers (1978)
Description: A chilling tale of alien duplicates replacing humans, focusing on paranoia, identity loss, and the fear of conformity.
Fact: The film's ending was reshot multiple times to test audience reactions. The famous 'pointing and screaming' scene was improvised by the actor.
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Alien (1979)
Description: A spaceship crew is hunted by a deadly extraterrestrial, featuring intense suspense, iconic creature design, and a blend of sci-fi and horror.
Fact: The chestburster scene was kept secret from most of the cast to capture genuine reactions. The alien's design was inspired by H.R. Giger's surreal biomechanical art.
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The Thing (1982)
Description: A group in an isolated Antarctic outpost faces a shape-shifting alien, emphasizing paranoia, practical effects-driven body horror, and a claustrophobic atmosphere.
Fact: The film was initially a box office flop but later gained a cult following. The creature effects were so gruesome that they sparked debates among the crew about their appropriateness.
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The Fly (1986)
Description: A scientist's transformation into a human-fly hybrid explores body horror, tragic romance, and the horrors of unchecked experimentation.
Fact: The film's makeup effects took over 12 hours to apply each day. The infamous 'arm-wrestling' scene used real animal parts for added realism.
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The Hidden (1987)
Description: A detective hunts an alien parasite that jumps between hosts, combining action, body horror, and a cat-and-mouse chase.
Fact: The film was initially marketed as a straightforward action movie but gained recognition for its clever sci-fi twists. The alien's true form was kept hidden until late in production.
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The Blob (1988)
Description: A remake of the classic about a gelatinous alien consuming everything in its path, featuring practical effects and small-town panic.
Fact: The Blob's effects were achieved using a combination of silicone, gels, and puppetry. The film's gore level was toned down to avoid an X rating.
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Species (1995)
Description: A sci-fi horror film featuring a deadly alien-human hybrid, blending elements of suspense, body horror, and a relentless pursuit theme.
Fact: The creature effects were designed by H.R. Giger, the artist behind the iconic 'Alien' xenomorph. The film's climax was shot in an actual power plant.
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The Faculty (1998)
Description: A high school setting becomes the battleground against parasitic aliens, combining teen drama with grotesque body horror and survival tension.
Fact: The script was originally written as a serious horror film but was later reworked into a darkly comedic tone. The film features early roles for several future stars like Josh Hartnett and Elijah Wood.
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Slither (2006)
Description: A comedic horror film about a small town overrun by slug-like parasites, blending grotesque body horror with dark humor.
Fact: The film pays homage to 1980s creature features, with practical effects reminiscent of classics like 'The Thing.' Director James Gunn cited it as a love letter to the genre.
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Pandorum (2009)
Description: A spaceship crew awakens to find their vessel overrun by mutated creatures, combining psychological horror, survival tension, and sci-fi mystery.
Fact: The film's production design was inspired by submarine interiors to enhance the claustrophobic feel. The creatures were designed to resemble evolved humans.
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