If you enjoyed the eerie and suspenseful atmosphere of *The Signal (2007)*, you're in for a treat. This article explores 10 similar movies and shows that deliver the same blend of psychological horror, sci-fi mystery, and gripping tension. Whether you're a fan of mind-bending narratives or unsettling thrillers, these recommendations will keep you on the edge of your seat.

The Thirteenth Floor (1999)
Description: A neo-noir sci-fi thriller that explores simulated realities and the existential crisis of discovering one's true nature.
Fact: The film is based on the 1964 novel 'Simulacron-3' by Daniel F. Galouye, which also inspired the German TV series 'World on a Wire.'


Solaris (2002)
Description: A meditative sci-fi film that delves into the nature of memory, grief, and the human psyche, set against the backdrop of an enigmatic alien planet.
Fact: This is a remake of the 1972 Soviet film of the same name, both based on the novel by Stanisław Lem.


Primer (2004)
Description: A low-budget sci-fi film that delves into the complexities of time travel and its unintended consequences, focusing on the cerebral and often confusing nature of altering time.
Fact: Made on a budget of only $7,000, it's known for its dense and intricate plot that rewards multiple viewings.


The Fountain (2006)
Description: A visually stunning and emotionally charged film that weaves together multiple timelines to explore themes of love, mortality, and transcendence.
Fact: The film's production was delayed and reworked multiple times, with a significantly different original script involving a larger budget and different cast.


Timecrimes (2007)
Description: A tightly-wound time-travel thriller that explores causality and the inevitability of fate, with a focus on the psychological unraveling of its protagonist.
Fact: The film was the debut feature of Spanish director Nacho Vigalondo, who also plays a minor role in the movie.


The Man from Earth (2007)
Description: A thought-provoking dialogue-driven film that explores existential questions and the nature of reality through a mysterious protagonist's claims of immortality.
Fact: The entire movie takes place in a single room, relying entirely on its script and performances to captivate the audience.


Moon (2009)
Description: A psychological sci-fi drama that examines isolation, identity, and the blurred lines between reality and artificial constructs.
Fact: The film's director, Duncan Jones, made his feature debut with this movie, which was praised for its minimalist yet profound storytelling.


Another Earth (2011)
Description: A melancholic sci-fi drama that intertwines themes of alternate realities with deep personal guilt and redemption.
Fact: The film was co-written by its lead actress, Brit Marling, who also stars in the movie.


Predestination (2014)
Description: A time-travel paradox story that delves into identity, fate, and the cyclical nature of time, with a narrative that constantly challenges the viewer's perception.
Fact: Based on a short story by Robert A. Heinlein, the film is known for its intricate and twist-filled plot.


Coherence (2013)
Description: A mind-bending sci-fi thriller that explores the concept of parallel realities and the psychological toll of uncertainty, much like the themes of reality distortion and paranoia.
Fact: The film was shot in just five nights with a largely improvised script, adding to its raw and unpredictable feel.
