If you loved the eerie and unsettling atmosphere of 'Deep Dark (2015)', you're in for a treat. This article explores 10 similar movies and shows that capture the same dark, psychological tension and surreal horror. Whether you're a fan of psychological thrillers or supernatural mysteries, these recommendations will keep you on the edge of your seat.

Session 9 (2001)
Description: A psychological horror film set in an abandoned asylum, where a cleaning crew begins to experience disturbing and unexplained events.
Fact: The film was shot in the real Danvers State Hospital, which was known for its dark history. Much of the dialogue was improvised by the actors to enhance the natural feel.


The Cave (2005)
Description: A survival horror film about a team of explorers trapped in an uncharted cave system, facing both natural dangers and predatory creatures.
Fact: The film's cave scenes were shot in a massive water tank to simulate underwater cave environments. It was one of the first films to use high-definition cameras extensively.


The Descent (2005)
Description: A claustrophobic horror film set in an underground cave system, featuring intense psychological and physical terror as characters face both their fears and monstrous entities.
Fact: The film was shot in a real cave system in Scotland, adding to its authenticity and eerie atmosphere. It was initially released with two different endings, one for the UK and another for the US.


The Ruins (2008)
Description: A horror film about a group of tourists who become trapped in an ancient ruin, facing a malevolent and unnatural threat.
Fact: The film is based on a novel by Scott Smith, who also wrote the screenplay. The vines in the film were created using a combination of practical effects and CGI.


The Last Exorcism (2010)
Description: A found-footage horror film about a disillusioned priest who performs one last exorcism, only to encounter genuine supernatural terror.
Fact: The film was shot in just 18 days on a modest budget. It uses a documentary-style approach to create a sense of realism and tension.


Grave Encounters (2011)
Description: A found-footage horror film about a paranormal investigation team who get more than they bargained for when they explore an abandoned mental hospital.
Fact: The film was made on a very low budget but became a cult hit due to its effective scares and atmosphere. It was inspired by real-life ghost-hunting TV shows.


The Tunnel (2011)
Description: A found-footage horror film set in abandoned underground tunnels, where a documentary crew encounters terrifying and unexplained phenomena.
Fact: The film was released for free online as part of a unique distribution strategy. It was inspired by real-life urban legends about Sydney's underground tunnels.


The Pyramid (2014)
Description: A found-footage horror film about archaeologists who uncover a hidden pyramid and encounter deadly supernatural forces.
Fact: The film was inspired by real-life archaeological discoveries and ancient Egyptian mythology. It was shot in Morocco, standing in for the Egyptian desert.


As Above, So Below (2014)
Description: A found-footage horror film that explores the depths of the Paris catacombs, blending psychological horror with supernatural elements as characters descend into madness.
Fact: Much of the film was shot in the actual Paris catacombs, making it one of the few movies to film in the restricted areas. The film incorporates real historical and alchemical references into its plot.


Catacombs (2007)
Description: A horror film set in the catacombs beneath Paris, where a group of friends becomes lost and hunted by an unseen presence.
Fact: The film was originally titled "Catacombs of Paris" and was inspired by the real-life legends of the Paris catacombs. It features a mix of psychological and supernatural horror elements.
