1. Cowboys & Aliens
A stranger stumbles into the desert town of Absolution with no memory of his past and a futuristic shackle around his wrist. With the help of mysterious beauty Ella and the iron-fisted Colonel Dolarhyde, he finds himself leading an unlikely posse of cowboys, outlaws, and Apache warriors against a common enemy from beyond this world in an epic showdown for survival.
It has an average vote of 5.6 on TMDB.
2. The Thing
When paleontologist Kate Lloyd travels to an isolated outpost in Antarctica for the expedition of a lifetime, she joins an international team that unearths a remarkable discovery. Their elation quickly turns to fear as they realize that their experiment has freed a mysterious being from its frozen prison. Paranoia spreads like an epidemic as a creature that can mimic anything it touches will pit human against human as it tries to survive and flourish in this spine-tingling thriller.
It has an average vote of 6.21 on TMDB.
3. Mars Attacks!
A fleet of Martian spacecraft surrounds the world's major cities and all of humanity waits to see if the extraterrestrial visitors have, as they claim, "come in peace." U.S. President James Dale receives assurance from science professor Donald Kessler that the Martians' mission is a friendly one. But when a peaceful exchange ends in the total annihilation of the U.S. Congress, military men call for a full-scale nuclear retaliation.
It has an average vote of 6.403 on TMDB.
4. Cloverfield
Five young New Yorkers throw their friend a going-away party the night that a monster the size of a skyscraper descends upon the city. Told from the point of view of their video camera, the film is a document of their attempt to survive the most surreal, horrifying event of their lives.
It has an average vote of 6.7 on TMDB.
5. Source Code
When decorated soldier Captain Colter Stevens wakes up in the body of an unknown man, he discovers he's part of a mission to find the bomber of a Chicago commuter train.
It has an average vote of 7.302 on TMDB.
6. Transformers
Young teenager Sam Witwicky becomes involved in the ancient struggle between two extraterrestrial factions of transforming robots – the heroic Autobots and the evil Decepticons. Sam holds the clue to unimaginable power and the Decepticons will stop at nothing to retrieve it.
It has an average vote of 6.796 on TMDB.
7. Paul
For the past 60 years, a space-traveling smart-ass named Paul has been locked up in a top-secret military base, advising world leaders about his kind. But when he worries he’s outlived his usefulness and the dissection table is drawing uncomfortably close, Paul escapes on the first RV that passes by his compound in Area 51. Fortunately, it contains the two earthlings who are most likely to rescue and harbor an alien on the run.
It has an average vote of 6.716 on TMDB.
8. Predators
A group of cold-blooded killers find themselves trapped on an alien planet to be hunted by extraterrestrial Predators.
It has an average vote of 6.253 on TMDB.
9. Sucker Punch
A young girl, institutionalised by her abusive stepfather, retreats to an alternative reality as a coping strategy and envisions a plan to help her escape.
It has an average vote of 6.188 on TMDB.
10. Battle: Los Angeles
When once distant UFOs become a terrifying threat attacking Earth, a Marine staff sergeant and his team take it upon themselves to face the enemy and protect what remains of the planet.
It has an average vote of 5.756 on TMDB.
11. Close Encounters of the Third Kind
After an encounter with UFOs, an electricity linesman feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen.
It has an average vote of 7.357 on TMDB.
12. X-Men: First Class
Before Charles Xavier and Erik Lensherr took the names Professor X and Magneto, they were two young men discovering their powers for the first time. Before they were arch-enemies, they were closest of friends, working together with other mutants , to stop the greatest threat the world has ever known.
It has an average vote of 7.299 on TMDB.
13. Monsters vs Aliens
When Susan Murphy is unwittingly clobbered by a meteor full of outer space gunk on her wedding day, she mysteriously grows to 49-feet-11-inches. The military jumps into action and captures Susan, secreting her away to a covert government compound. She is renamed Ginormica and placed in confinement with a ragtag group of Monsters...
It has an average vote of 6.214 on TMDB.
14. Attack the Block
A teen gang in a South London housing estate must team up with the other residents to protect their neighbourhood from a terrifying alien invasion.
It has an average vote of 6.459 on TMDB.
15. The Adventures of Tintin
Intrepid young reporter, Tintin, and his loyal dog, Snowy, are thrust into a world of high adventure when they discover a ship carrying an explosive secret. As Tintin is drawn into a centuries-old mystery, Ivan Ivanovitch Sakharine suspects him of stealing a priceless treasure. Tintin and Snowy, with the help of salty, cantankerous Captain Haddock and bumbling detectives, Thompson and Thomson, travel half the world, one step ahead of their enemies, as Tintin endeavors to find the Unicorn, a sunken ship that may hold a vast fortune, but also an ancient curse.
It has an average vote of 6.9 on TMDB.
16. Signs
A family living on a farm finds mysterious crop circles in their fields which suggests something more frightening to come.
It has an average vote of 6.689 on TMDB.
17. Priest
In an alternate world, humanity and vampires have warred for centuries. After the last Vampire War, the veteran Warrior Priest lives in obscurity with other humans inside one of the Church's walled cities. When the Priest's niece is kidnapped by vampires, the Priest breaks his vows to hunt them down. He is accompanied by the niece's boyfriend, who is a wasteland sheriff, and a former Warrior Priestess.
It has an average vote of 5.779 on TMDB.
18. District 9
Thirty years ago, aliens arrive on Earth. Not to conquer or give aid, but to find refuge from their dying planet. Separated from humans in a South African area called District 9, the aliens are managed by Multi-National United, which is unconcerned with the aliens' welfare but will do anything to master their advanced technology. When a company field agent contracts a mysterious virus that begins to alter his DNA, there is only one place he can hide: District 9.
It has an average vote of 7.441 on TMDB.
19. Super Troopers
Five bored, occasionally high and always ineffective Vermont state troopers must prove their worth to the governor or lose their jobs. After stumbling on a drug ring, they plan to make a bust, but a rival police force is out to steal the glory.
It has an average vote of 6.568 on TMDB.
20. Superbad
Two co-dependent high school seniors are forced to deal with separation anxiety after their plan to stage a booze-soaked party goes awry.
It has an average vote of 7.246 on TMDB.
