1. Alien³
After escaping with Newt and Hicks from the alien planet, Ripley crash lands on Fiorina 161, a prison planet and host to a correctional facility. Unfortunately, although Newt and Hicks do not survive the crash, a more unwelcome visitor does. The prison does not allow weapons of any kind, and with aid being a long time away, the prisoners must simply survive in any way they can.
It has an average vote of 6.358 on TMDB.
2. AVP: Alien vs. Predator
When scientists discover something near Antarctica that appears to be a buried Pyramid, they send a research team out to investigate. Little do they know that they are about to step into a hunting ground where Aliens are grown as sport for the Predator race.
It has an average vote of 5.905 on TMDB.
3. Aliens
Ripley, the sole survivor of the Nostromo's deadly encounter with the monstrous Alien, returns to Earth after drifting through space in hypersleep for 57 years. Although her story is initially met with skepticism, she agrees to accompany a team of Colonial Marines back to LV-426.
It has an average vote of 7.939 on TMDB.
4. Prometheus
A team of explorers discover a clue to the origins of mankind on Earth, leading them on a journey to the darkest corners of the universe. There, they must fight a terrifying battle to save the future of the human race.
It has an average vote of 6.549 on TMDB.
5. Alien: Covenant
The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise but is actually a dark, dangerous world.
It has an average vote of 6.105 on TMDB.
6. Alien
During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.
It has an average vote of 8.152 on TMDB.
7. Aliens vs Predator: Requiem
After a horrifying PredAlien crash-lands near a small Colorado town, killing everyone it encounters and producing countless Alien offspring, a lone Predator arrives to "clean up" the infestation.
It has an average vote of 5.168 on TMDB.
8. Predator
A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.
It has an average vote of 7.525 on TMDB.
9. Indiana Jones and the Kingdom of the Crystal Skull
Set during the Cold War, the Soviets—led by sword-wielding Irina Spalko—are in search of a crystal skull which has supernatural powers related to a mystical Lost City of Gold. Indy is coerced to head to Peru at the behest of a young man whose friend—and Indy's colleague—Professor Oxley has been captured for his knowledge of the skull's whereabouts.
It has an average vote of 6 on TMDB.
10. Starship Troopers
Set in the future, the story follows a young soldier named Johnny Rico and his exploits in the Mobile Infantry. Rico's military career progresses from recruit to non-commissioned officer and finally to officer against the backdrop of an interstellar war between mankind and an arachnoid species known as "the Bugs".
It has an average vote of 7.055 on TMDB.
11. 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 5.606 on TMDB.
12. Blade: Trinity
For years, Blade has fought against the vampires in the cover of the night. But now, after falling into the crosshairs of the FBI, he is forced out into the daylight, where he is driven to join forces with a clan of human vampire hunters he never knew existed—The Nightstalkers. Together with Abigail and Hannibal, two deftly trained Nightstalkers, Blade follows a trail of blood to the ancient creature that is also hunting him—the original vampire, Dracula.
It has an average vote of 5.9 on TMDB.
13. Alien Abduction
A vacationing family encounters an alien threat in this pulse-pounding thriller based on the real-life Brown Mountain Lights phenomenon in North Carolina.
It has an average vote of 5.826 on TMDB.
14. Surrogates
Set in a futuristic world where humans live in isolation and interact through surrogate robots, a cop is forced to leave his home for the first time in years in order to investigate the murders of others' surrogates.
It has an average vote of 6.108 on TMDB.
15. Abraham Lincoln: Vampire Hunter
President Lincoln's mother is killed by a supernatural creature, which fuels his passion to crush vampires and their slave-owning helpers.
It has an average vote of 5.725 on TMDB.
16. My Friend Dahmer
Jeffrey Dahmer struggles with a difficult family life as a young boy. During his teenage years he slowly transforms, edging closer to the serial killer he was to become.
It has an average vote of 6.533 on TMDB.
17. Mercury Rising
Renegade FBI agent Art Jeffries protects a nine-year-old autistic boy who has cracked the government's new "unbreakable" code.
It has an average vote of 6.263 on TMDB.
18. 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 6.251 on TMDB.
19. The Thing
In the winter of 1982, a twelve-man research team at a remote Antarctic research station discovers an alien buried in the snow for over 100,000 years. Soon unfrozen, the form-changing creature wreaks havoc, creates terror... and becomes one of them.
It has an average vote of 8.06 on TMDB.
20. Predator 2
A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
It has an average vote of 6.284 on TMDB.
