Exploring 10 Most Underrated Sci-Fi Thrillers, According to Reddit

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In the vast universe of underrated sci-fi movies, where futuristic technology, alien worlds, and the unknown often reign supreme, there are hidden gems that remain undiscovered by many moviegoers. Recently, the Reddit community on r/movies came together to discuss some of the most underrated sci-fi thrillers that, while not enjoying mainstream popularity, are well worth watching.

10. ‘Aniara’ (2018)

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Aniara IMDb Rating Underrated sci-fi movies

This Swedish-Danish film unfolds in a dystopian future where Earth has become uninhabitable, and humanity’s last hope resides on the luxurious spaceship named Aniara, one of the underrated sci-fi movies worth exploring. However, a tragic accident sends the spaceship hurtling off-course into the endless void of space. As despair and existential crises grip the passengers and crew, ‘Aniara’ explores the human psyche when confronted with the ultimate isolation.

9. ‘Moontrap‘ (1988)

underrated sci-fi movies reddit

Moontrap IMDb Rating cult classic sci-fi movies

‘Moontrap’ follows astronauts Colonel Jason Grant and Ray Tanner, who discover an ancient spacecraft orbiting the moon, housing dormant humanoid robots. Awakening one of these machines unintentionally sets off a chain of events, revealing a sinister agenda. ‘Moontrap’ is often considered one of the cult classic sci-fi movies that didn’t receive widespread critical acclaim. Despite being a low-budget sci-fi thriller, it boasts the star power of Bruce Campbell and Walter Koenig.

“If you don’t mind cult classics that didn’t quite please critics, check out Moontrap,” said Redditor Tonythecritic. “Low budget and certainly not a masterpiece, but it’s got Bruce Campbell and Walter Koenig and that was all I needed to know when it came out way back when.”

8. ‘Screamers’ (1995)

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Screamers IMDb Rating Low-budget sci-fi horror

Set on the war-ravaged planet of Sirius 6B, ‘Screamers’ introduces Colonel Joseph Hendrickson, tasked with negotiating a ceasefire in a mining colony. However, he stumbles upon a new threat: the “screamers,” self-replicating killing machines. ‘Screamers’ is a sci-fi horror and suspense gem that explores the consequences of humanity’s relentless pursuit of technological advancement. Based on a Philip K. Dick short story, it offers a unique blend of low-budget, gonzo zaniness that appeals to a particular kind of fan.

“Screamers is a banger!” said user SmokeweedGrownative simply.

7. ‘Titan A.E.’ (2000)

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Titan A.E. IMDb Rating animated sci-fi movies

After an alien species devastates Earth, Cale Tucker embarks on a mission to find the Titan, a hidden spaceship capable of creating a new, Earth-like planet. Featuring an impressive voice cast, including Matt Damon and Drew Barrymore, ‘Titan A.E.‘ offers a unique animated space action experience. ‘Titan A.E.’ stands out as a rare gem in the world of animated sci-fi movies. It combines visually stunning animation with an epic quest narrative, exploring themes of survival, redemption, and the resilience of the human spirit.

6. ‘The Signal’ (2014)

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The Signal IMDb Rating underrated Sci-Fi Thrillers

‘The Signal’ follows three college students on a cross-country road trip who become obsessed with tracking a mysterious hacker. Their journey takes them to an isolated desert facility, where the movie’s unpredictable plot unfolds, blending elements of ‘The Blair Witch Project’ and ‘District 9.’ ‘The Signal‘ is a masterclass in suspense and psychological tension, keeping viewers on the edge of their seats as it explores the blurred line between reality and the unknown. With its stylish visuals and a narrative that constantly challenges expectations, it’s a testament to the power of indie sci-fi filmmaking.

5. ‘Red Planet’ (2000)

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Red Planet IMDb Rating Underrated sci-fi movies

In a world facing environmental collapse, ‘Red Planet’ explores Mars as a potential new home. A team of astronauts led by Commander Kate Bowman and Robby Gallagher faces malfunctioning equipment, a deadly Martian organism, and a hostile environment in their quest to understand why oxygen levels on Mars are mysteriously decreasing. ‘Red Planet’ offers a thrilling portrayal of humanity’s quest to conquer the final frontier and delves into the challenges of space exploration and the unpredictability of the cosmos.

4. ‘The Vast of Night’ (2019)

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The Vast of Night IMDb Rating sci-fi movies Reddit

Set in a 1950s New Mexico town, ‘The Vast of Night‘ follows two young individuals who stumble upon a strange audio frequency and a mysterious caller claiming to have witnessed otherworldly events. Despite a seemingly unoriginal premise, the film captivates with its fine writing, believable performances, and historical authenticity. Director Andrew Patterson’s skillful use of a small budget maximizes the impact of every frame, making it a must-see for fans of sci-fi with a touch of nostalgia.

3. ‘Mission to Mars’ (2000)

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Mission to Mars IMDb Rating sci-fi enthusiasts

Commander Luke Graham and his team of astronauts embark on a mission to uncover the secrets of Mars after a previous crew disappears mysteriously. Directed by Brian De Palma, ‘Mission to Mars’ may not reach the heights of De Palma’s masterpieces but offers moments of tension and intrigue. ‘Mission to Mars’ is a visual feast, with its breathtaking depictions of the Martian landscape and an exploration of the mysteries of the red planet. While it may have received mixed reviews upon release, it has found a place in the hearts of sci-fi enthusiasts who appreciate its ambitious storytelling and stunning visuals.

2. ‘Lifeforce’ (1985)

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Lifeforce IMDb Rating sci-fi horror

Directed by Tobe Hooper, ‘Lifeforce’ combines space exploration, vampires, and apocalyptic dread. When astronauts discover an alien spacecraft hidden within Halley’s Comet, they unwittingly unleash a deadly force that drains the life force from humans, leading to a cult following for its audacious premise and visuals. ‘Lifeforce’ is a unique entry in the realm of sci-fi horror. It blends elements of space exploration, vampire mythology, and apocalyptic terror to create a visually striking and unforgettable cinematic experience.

1. ‘Event Horizon’ (1997)

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Event Horizon IMDb Rating sci-fi horror

‘Event Horizon’ centers around a rescue crew investigating the reappearance of the starship Event Horizon, which vanished into a black hole seven years earlier. They discover something malevolent and otherworldly onboard, setting the stage for a gripping sci-fi horror experience that has garnered a cult following over the years. ‘Event Horizon’ is a masterclass in cosmic horror, blending elements of sci-fi with terrifying supernatural elements. It explores the limits of human understanding and the consequences of tampering with forces beyond comprehension. While it faced criticism upon release, it has since been recognized as a genre-defining work that has influenced subsequent sci-fi horror media.

These 10 underrated sci-fi thrillers offer a thrilling escape into the depths of the unknown, inviting viewers to explore the darker and more mysterious aspects of science fiction. Whether you’re a dedicated sci-fi enthusiast or simply seeking a fresh cinematic experience, these underrated gems have something unique to offer in the ever-expanding universe of science-fiction cinema. Reddit’s movie community has spoken, and these films deliver gripping, suspenseful, and sometimes even chilling adventures that deserve a place on your watchlist.

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