Top Under-the-Radar Indie Sci-Fi Films of the Last Decade

A mind-bending psychological thriller where a dinner party coincides with the passing of a comet, causing parallel realities to bleed into one another. It is praised for its improvisational dialogue and claustrophobic tension.

Renowned as one of the most scientifically accurate depictions of time travel, this low-budget masterpiece follows two engineers who accidentally discover a way to loop time. It demands multiple viewings to fully grasp its complex logic.

Two brothers return to the UFO death cult they escaped years ago, only to find that the cult's beliefs might be rooted in a terrifying temporal reality. It blends cosmic horror with a poignant sibling dynamic.

When a duplicate Earth is discovered in the sky, a young woman seeks redemption by visiting the alternate version of herself. This meditative drama explores grief, forgiveness, and the nature of destiny.

A visually stunning, psychedelic trip through a dystopian future where a woman tries to escape a sinister research facility. It is highly regarded for its 1980s analog aesthetic and oppressive atmosphere.

A father and daughter travel to a remote alien moon to mine rare gemstones, only to encounter dangerous mercenaries. The film is lauded for its practical effects and detailed, lived-in world-building.

A woman discovers that her mental breakdowns are physically manifesting as a giant monster attacking Seoul, South Korea. It serves as a unique allegory for toxic relationships and personal accountability.

A Spanish thriller involving a glitch in time that allows a woman to save a boy's life in the past, which inadvertently alters her own present. It is a tight, emotional puzzle of cause and effect.

Based on a poem, this Swedish film follows a massive spacecraft transporting settlers to Mars that gets knocked off course. It is a bleak, haunting study of human psychology and despair in the void.

A woman wakes up in a cryogenic pod with no memory and a rapidly depleting air supply. This high-tension chamber piece relies on a gripping script and a singular performance to drive the mystery.

Set in the 1950s, two teenagers discover a strange audio frequency that suggests alien presence. The film is noted for its exceptional sound design and long, sweeping takes that build immense suspense.

A teenage girl is raised by a robot designed to repopulate the earth, but her world is turned upside down when a human stranger arrives. It explores the ethics of AI and parental nature.

A family finds themselves trapped in their home during a holiday, receiving cryptic commands via their TV. This indie horror-sci-fi hybrid examines social compliance and systemic control.

Though slightly older, this Spanish gem remains a gold standard for indie sci-fi, involving a man who accidentally enters a time machine. It is a masterclass in tight plotting and paradoxes.

In the near future, a paralyzed man is given an AI implant that allows him to walk and fight with superhuman precision. It blends sleek action with a cynical look at technological dependence.

A journalist investigates a man who placed a classified ad seeking a partner to travel back in time with him. It is a heartfelt blend of indie comedy and soft science fiction.

A found-footage style film about a crew of astronauts traveling to Jupiter's moon Europa to search for life. It focuses on scientific realism and the sacrifices made for discovery.

A developer creates an AI child to fight child trafficking, leading to an ethical debate about consciousness and digital rights. The film is driven by intense, philosophically dense dialogue.

A scientist working on a secret project attempts to create a true AI that can house his deceased wife's consciousness. It features stunning visuals and a poignant exploration of grief.

A man discovers he has a strange ability: anyone who comes within a certain radius of him immediately dies or loses consciousness. He teams up with an immune woman to find a cure.