Movies like Sanctum

Distraught, confused, and half-wild with fear, Sarah Carter emerges alone from the Appalachian cave system where she encountered unspeakable terrors. Unable to plausibly explain to the authorities what happened - or why she's covered in her friends' blood - Sarah is forced back to the subterranean depths to help locate her five missing companions.

Five years after an ominous unseen presence drives most of society to suicide, a survivor and her two children make a desperate bid to reach safety.

Two sisters on Mexican vacation are trapped in a shark observation cage at the bottom of the ocean, with oxygen running low and great whites circling nearby, they have less than an hour of air left to figure out how to get to the surface.

After 16-year-old Alice Palmer drowns at a local dam, her family experiences a series of strange, inexplicable events centered in and around their home. Unsettled, the Palmers seek the help of a psychic and parapsychologist, who discovers that Alice led a secret, double life. At Lake Mungo, Alice's secret past emerges.

A nurse is forced to spring a wounded murder suspect from the hospital when the man’s brother kidnaps his pregnant wife and wants to make a trade.

After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.

A group of former military elites set out to explore an uncharted abyss, not knowing their worst nightmare is waiting for them deep beneath the ground.

In October 1991, a confluence of weather conditions combined to form a killer storm in the North Atlantic. Caught in the storm was the sword-fishing boat Andrea Gail.

During a solo voyage in the Indian Ocean, a veteran mariner awakes to find his vessel taking on water after a collision with a stray shipping container. With his radio and navigation equipment disabled, he sails unknowingly into a violent storm and barely escapes with his life. With any luck, the ocean currents may carry him into a shipping lane -- but, with supplies dwindling and the sharks circling, the sailor is forced to face his own mortality.

The amazing true story of a Uruguayan rugby team's plane that crashed in the middle of the Andes mountains, and their immense will to survive and pull through alive, forced to do anything and everything they could to stay alive on meager rations and through the freezing cold.

In the mid-1980s, the U.S. is poised on the brink of nuclear war. This shadow looms over the residents of a small town in Kansas as they continue their daily lives. Dr. Russell Oakes maintains his busy schedule at the hospital, Denise Dahlberg prepares for her upcoming wedding, and Stephen Klein is deep in his graduate studies. When the unthinkable happens and the bombs come down, the town's residents are thrust into the horrors of nuclear winter.

A cruise ship succumbs to a terrorist act and capsizes on New Year's eve. A rag-tag group of survivors, spearheaded by a priest and a homeland security agent, must journey through the upside down vessel and attempt an escape.