20 best movies like Impostor (2001)

Survivors of a nuclear attack are grouped together for days in the basement of their apartment building, where fear and dwindling supplies wear away at their dynamic.

Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.

Three college students on a road trip across the Southwest experience a detour – the tracking of a computer genius who has already hacked into MIT and exposed security faults. When the trio find themselves drawn to an eerily isolated area, suddenly everything goes dark. When one of the students regains consciousness, he finds himself in a waking nightmare.

A father and son go on the run after the dad learns his child possesses special powers.

On a bleak future Earth, a soldier endures a radical genetic transformation to save humanity. But his wife fears he's becoming more creature than man.

Every child comes into the world full of promise, and none more so than Chappie: he is gifted, special, a prodigy. Like any child, Chappie will come under the influence of his surroundings—some good, some bad—and he will rely on his heart and soul to find his way in the world and become his own man. But there's one thing that makes Chappie different from any one else: he is a robot.

A crew of international astronauts are sent on a private mission to Jupiter's fourth moon.

An astronaut travels to the outer edges of the solar system to find his father and unravel a mystery that threatens the survival of our planet. He uncovers secrets which challenge the nature of human existence and our place in the cosmos.

Three friends discover a mysterious machine that takes pictures 24 hours into the future and conspire to use it for personal gain, until disturbing and dangerous images begin to develop.

In the near future, Major is the first of her kind: a human saved from a terrible crash, then cyber-enhanced to be a perfect soldier devoted to stopping the world's most dangerous criminals.

A brutal mugging leaves Grey Trace paralyzed in the hospital and his beloved wife dead. A billionaire inventor soon offers Trace a cure — an artificial intelligence implant called STEM that will enhance his body. Now able to walk, Grey finds that he also has superhuman strength and agility — skills he uses to seek revenge against the thugs who destroyed his life.

Bill Pope is a CIA agent on a mission in London tracking down a shadowy hacker nicknamed "The Dutchman." When he gets mysteriously ambushed and killed, an experimental procedure is used to transfer his memories into dangerous ex-convict Jericho Stewart. When he wakes up with the CIA agent's memories, his mission is to find The Dutchman and eliminate him before the hacker launches ICBM's and starts World War III. But complications soon arise and the mission turns personal.

Could you trust a jury of your peers with your life? The contestants of a mysterious death game must make harrowing decisions as they strategize for survival in this psychological sci-fi thriller.

In 2035, where robots are common-place and abide by the three laws of robotics, a techno-phobic cop investigates an apparent suicide. Suspecting that a robot may be responsible for the death, his investigation leads him to believe that humanity may be in danger.

A seductive alien prowls the streets of Glasgow in search of prey: unsuspecting men who fall under her spell.

Paranoid computer programmer Simon wakes up to find a package in his room one day. Despite attempts at securing his apartment, the packages keep arriving. While cameras watch Simon's every move, he struggles to find the answers to the mysterious forces taking over his life.

A college student, who sees a UFO, uses his exceptional math skills to investigate the sighting with his friends while the FBI follows closely behind.

Eight strangers are thrown together by mysterious forces and must help each other survive in a violent world that defies explanation.

A surrogate mother harbors a deadly secret desire for a family of her own with the husband who is expecting to raise her child.

An ambitious young executive is sent to retrieve his company's CEO from an idyllic but mysterious "wellness center" at a remote location in the Swiss Alps but soon suspects that the spa's miraculous treatments are not what they seem.

Earth as we know it is gone. A virus has destroyed the planet and rendered all its women infertile, all but one. An elite team of soldiers are tasked with bringing the woman to safety on the newly habitable Earth Two. But when they are forced underground they find themselves fighting for survival from an bloodthirsty creature in a maze of ever shrinking tunnels. As the team's ranks start to dwindle, the tunnels shrink and the ammunition run out, the crawl for survival becomes more and more desperate.

A representative of an alien race that went through drastic evolution to survive its own climate change, Klaatu comes to Earth to assess whether humanity can prevent the environmental damage they have inflicted on their own planet. When barred from speaking to the United Nations, he decides humankind shall be exterminated so the planet can survive.

Six years after the events of The X-Files series finale, former FBI agent Doctor Dana Scully is now a staff physician at Our Lady of Sorrows, a Catholic hospital, and treating a boy named Christian who has Sandhoff disease, a terminal brain condition. FBI agent Drummy arrives to ask Scully’s help in locating Fox Mulder, the fugitive former head of the X-Files division, and says they will call off its manhunt for him if he will help investigate the disappearances of several women, including young FBI agent Monica Banan. Mulder and Scully are called back to duty by the FBI when a former priest claims to be receiving psychic visions pertaining to a kidnapped agent.

Canadian scientist, Dr Geoff Burton takes up a position at a new institute in wintry Dresden in order to contribute to their most important project—a human regeneration gene—that also has the potential to make something miraculous out of a personal tragedy that has haunted him for years.

A documentary filmmaker turns his lens on an enigmatic conspiracy theorist who claims he's found the entrance to a vast underground city populated entirely by monsters.

A group of teens discover secret plans of a time machine, and construct one. However, things start to get out of control.

Five medical students, hoping to gain insight into the mystery of what lies beyond the confines of life, embark on a daring and dangerous experiment. By stopping their hearts for short periods of time, each triggers a near-death experience. As the investigation becomes more and more perilous, they are forced to confront the sins of their pasts, as well as contend with the paranormal consequences of trespassing to the other side.

For ten years, inventor David Kressen has lived in seclusion with his inventions, including Adam, a robot with incredible lifelike human qualities. When reporter Joy Andrews is given access to their unconventional facility, she is alternately repelled and attracted to the scientist and his creation. But as Adam exhibits emergent behavior of anger and jealousy towards her, she finds herself increasingly entangled in a web of deception where no one’s motives are easily decipherable.

When plans for a weekend vacation hit a dead end, a group of close-knit friends find themselves stranded in unfamiliar territory, pursued by a menacing predator. Holed up in an isolated cabin, tensions mount as long-buried secrets are revealed. As the body count rises, the group must put their differences aside and fight for survival.

Ren Amari is the driven inventor of a revolutionary new drug. OtherLIfe expands the brain's sense of time and creates virtual reality directly in the user's mind. With OtherLife, mere seconds in real life feel like hours or days of exciting adventures. As Ren and her colleagues race around the clock to launch OtherLife, the government muscles in to use the drugs as a radical solution to prison overcrowding. They will create virtual cells where criminals serve long sentences in just minutes of real time. When Ren resists, she finds herself an unwilling guinea pig trapped in a prison cell in her mind. She must escape before she descends into madness, and then regain control of OtherLife before others suffer the same fate.

When a scientist and a pilot volunteer for a high profile space mission they are told their goal will be to do what no one has ever done before to find the end of the universe. After 13 years in space the ship crashes through the end of the known universe and into the unknown...

In a series of escalating encounters, security guard David Dunn uses his supernatural abilities to track Kevin Wendell Crumb, a disturbed man who has twenty-four personalities. Meanwhile, the shadowy presence of Elijah Price emerges as an orchestrator who holds secrets critical to both men.

Los Angeles, June 21st, 2028. While the streets are being torn apart by riots, the Nurse, who runs a clandestine hospital for criminals in the penthouse of the Artemis, a closed old hotel, has a rough night dealing with troublemaker clients: thieves, assassins, someone from the past and the one who owns the place and the whole city.

A group of researchers in Antarctica are abducted by a platoon of masked soldiers and dragged into a hidden continent in the center of the Earth. There, they discover that surviving Nazi soldiers are plotting an invasion of Earth to revive the Third Reich.

A marine biologist, an insurance salesman and a teenage boy find their lives changed when a new and often dangerous sea life species emerges, while the government tries to keep the affair under wraps.

Four mathematicians are gathered and meet with a top official of the United States Department of Defense. After some discussion, the group agrees that they must be wary with whom to trust and control their solution. The official offers them a reward of $10 million in exchange for their portion of the algorithm, swaying them by attempting to address their concerns. Only one of the four speaks out against the sale, and in doing so is forced to reveal a dark truth about his portion of the solution. Before they sign a license to the government, however, they wrestle with the ethical consequences of their discovery. -- Wikipedia

A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.

A journalist and his girlfriend get pulled in while they investigate a cult whose leader claims to be from the future.

The story of three unrelated people, who slowly realize that they are dreaming separate parts of a single common dream.

Cobb, a skilled thief who commits corporate espionage by infiltrating the subconscious of his targets is offered a chance to regain his old life as payment for a task considered to be impossible: "inception", the implantation of another person's idea into a target's subconscious.

Set in the futuristic landscape of Los Angeles on July 4, 2008, as it stands on the brink of social, economic and environmental disaster. Boxer Santaros is an action star who's stricken with amnesia. His life intertwines with Krysta Now, an adult film star developing her own reality television project, and Ronald Taverner, a Hermosa Beach police officer who holds the key to a vast conspiracy.

A university research scientist, about to lose funding and status, has a lab accident and discovers he can see people's true intentions -- making his situation even worse.

The hunt is on as a government assassin comes out of retirement to track down a killer extraterrestrial murdering the former members of his team in this science fiction thriller set in an alternate future America.

Already deep into a second Cold War, Britain’s Ministry of Defense seeks a game-changing weapon. Programmer Vincent McCarthy unwittingly provides an answer in The Machine, a super-strong human cyborg. When a programming bug causes the prototype to decimate his lab, McCarthy takes his obsessive efforts underground, far away from inquisitive eyes.

Telly Paretta is a grieving mother struggling to cope with the loss of her 8-year-old son. She is stunned when her psychiatrist reveals that she has created eight years of memories about a son she never had. But when she meets a man who has had a similar experience, Telly embarks on a search to prove her son's existence, and her sanity.

Years after his squad was ambushed during the Gulf War, Major Ben Marco finds himself having terrible nightmares. He begins to doubt that his fellow squad-mate Sergeant Raymond Shaw, now a vice-presidential candidate, is the hero he remembers him being. As Marco's doubts deepen, Shaw's political power grows, and, when Marco finds a mysterious implant embedded in his back, the memory of what really happened begins to return.

A movie created from "found footage" of a lost military expedition that exposes the origins of life on earth.

S. Darko follows Samantha Darko, the younger sister of Donnie, the protagonist of Donnie Darko, and her friend Corey. On their way to California, their car breaks down, forcing them to wait in a small town until it is fixed. While there, Samantha begins to have dreams that warn her of the end of the universe.

Four boyhood pals perform a heroic act and are changed by the powers they gain in return. Years later, on a hunting trip in the Maine woods, they're overtaken by a vicious blizzard that harbors an ominous presence. Challenged to stop an alien force, the friends must first prevent the slaughter of innocent civilians by a military vigilante ... and then overcome a threat to the bond that unites the four of them.