I think these were scary -
THE EXORCIST (1973): A teenager is possessed by a mysterious entity and her mom seeks the help of two priests to save her daughter.
HALLOWEEN (1978): A psychotic murderer institutionalized since childhood escapes on a mindless rampage while his doctor chases him through the streets.
THE TEXAS CHAINSAW MASSACRE (1974): Five friends visiting their grandpa's old house are hunted down and terrorized by a chainsaw wielding killer and his family of grave-robbing cannibals.
THE VANISHING (1988): The boyfriend of an abducted woman never gives up the search as the abductor looks on.
THE OMEN (1976): An American ambassador learns to his horror that his son is actually the literal Antichrist
ROSEMARY’S BABY: A young couple move into a new apartment, only to be surrounded by peculiar neighbors and occurrences. When the wife becomes mysteriously pregnant, paranoia over the safety of her unborn child begins controlling her life.
PSYCHO (1960): Hitchcock's masterpiece shocker about a young woman who steals $40,000 from her employer's client, and subsequently encounters a young motel proprietor too long under the domination of his mother.
THE SHINING: A family heads to an isolated hotel for the winter where an evil and spiritual presence influences the father into violence, while his psychic son sees horrific forebodings from the past and of the future.
THE HAUNTING: Dr. Markway, doing research to prove the existence of ghosts, investigates Hill House, a large, eerie mansion with a lurid history of violent death and insanity.
THE LEGEND OF HELL HOUSE (1973 w/Pamela Franklin & Roddy McDowell): A team consisting of a physicist, his wife, a young female psychic and the only survivor of the previous visit are sent to the notorious Hell House to prove/disprove survival after death. Previous visitors have either been killed or gone mad, and it is up to the team to survive a full week in isolation, and solve the mystery of the Hell House
DON’T GO INTO THE HOUSE (1979): A disturbed young man who was burned as a child by his sadistic mother stalks women with a flamethrower.
HOUSE ON THE HAUNTED HILL: Frederick Loren has invited five strangers to a party of a lifetime. He is offering each of them $10,000 if they can stay the night in a house.
THE NANNY (1965 w/Bette Davis Pamela Franklin): Bette Davis stars as an English nanny whose sense of reality is clouded due to some deep dark secret in her past.
MY BLOODY VALENTINE: A decades-old folk tale surrounding a deranged murderer killing those who celebrate Valentine's Day turns out to be true to legend when a group defies the killer's order and people start turning up dead.
THE OLD DARK HOUSE (1932 w/Boris Karloff Charles Laughton Gloria Stuart): An American who sells cars in England receives a mysterious invitation from an old, excentric millionaire to visit his house in which he lives with his twin brother.
DR TERROR – HOUSE OF TERROR (1965): Five strangers board a train and are joined by a mysterious fortune teller who offers to read their Tarot cards.
BURNT OFFERINGS (1976 w/Oliver Reed Karen Black & Bette Davis): Haunted house chiller from Dan Curtis has Oliver Reed and Karen Black as summer caretakers moving into gothic house with their young son
THE WATCHER IN THE WOODS (1980): When a family moves to a country home, the young girls experience strange happenings that have a link to an occult event years past.
ALIEN Series:
1 - A mining ship, investigating a suspected SOS, lands on a distant planet. The crew discovers some strange creatures and investigates.
2- The planet from Alien (1979) has been colonized, but contact is lost. This time, the rescue team has impressive firepower, enough?
3- Ripley continues to be stalked by a savage alien, after her escape pod crashes on a prison planet.
4- Alien Resurrection wasn't that good.:(
PREDATOR (1987)
A salvage crew that discovers a long-lost 1962 passenger ship floating lifeless in a remote region of the Bering Sea soon notices, as they try to tow it back to land, that "strange things" happen
PREDATOR 2 (1990)
The monstrous alien is at it again. This in time in Los Angeles, he leaves a trail full of dead bodies, and the only man who can stop him this time is Lieutenant Mike Harrigan of the LAPD (Danny Glover).
ALIEN vs PREDATOR (2004)
During an archaeological expedition on Bouvetøya Island in the Antarctic ocean, a team of archaeologists and other scientists find themselves caught up in a battle between the two legends. Soon, the team realizes that only one species can win.
SERENITY (2005)
In the future, when a passenger with a deadly secret. Six rebels on the run. An assassin in pursuit
EVENT HORIZON (1997)
A rescue crew investigates a spaceship that disappeared into a black hole and has now returned...with someone or something new on-board.
GHOST SHIP (2002)
A salvage crew that discovers a long-lost 1962 passenger ship floating lifeless in a remote region of the Bering Sea soon notices, as they try to tow it back to land, that "strange things" happen.
THE MIST: A freak storm unleashes a species of blood-thirsty creatures on a small town, where a small band of citizens hole-up in a supermarket and fight for their lives.
DREAMCATCHER: Friends on a camping trip discover that the town they're vacationing in, is being plagued in an unusual fashion by parasitic aliens from outer space.