1. 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 5.174 on TMDB.
2. 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 6.359 on TMDB.
3. 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 6.2 on TMDB.
4. Alien Resurrection
Two hundred years after Lt. Ripley died, a group of scientists clone her, hoping to breed the ultimate weapon. But the new Ripley is full of surprises … as are the new aliens. Ripley must team with a band of smugglers to keep the creatures from reaching Earth.
It has an average vote of 6.148 on TMDB.
5. 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 6.281 on TMDB.
6. 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 7.938 on TMDB.
7. 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.
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 7.523 on TMDB.
9. Gantz (Gantz)
After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt down and kill aliens hiding on Earth.
It has an average vote of 6.58 on TMDB.
10. Sorry if I Love You (Scusa ma ti chiamo amore)
Alex Belli is a 37 year old advertising executive whose fiancée Elena has just left him, and who is having difficulty at work trying to think of a good advertising campaign for a new Japanese product. Niki is a bubbly 17 year old student. She has three best friends with whom she shares all her problems, and an annoying ex-boyfriend Fabio who is set on getting her back, but Niki's not interested. One day on his way to work, Alex collides with Niki on a city street. They soon begin a romance, despite their 20-year age gap.
It has an average vote of 5.947 on TMDB.
11. 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 6.5 on TMDB.
12. Collateral
Cab driver Max picks up a man who offers him $600 to drive him around. But the promise of easy money sours when Max realizes his fare is an assassin.
It has an average vote of 7.219 on TMDB.
13. Home Alone
Eight-year-old Kevin McCallister makes the most of the situation after his family unwittingly leaves him behind when they go on Christmas vacation. But when a pair of bungling burglars set their sights on Kevin's house, the plucky kid stands ready to defend his territory. By planting booby traps galore, adorably mischievous Kevin stands his ground as his frantic mother attempts to race home before Christmas Day.
It has an average vote of 7.431 on TMDB.
14. 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 6.1 on TMDB.
15. 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 6.714 on TMDB.
16. The Hitchhiker's Guide to the Galaxy
Mere seconds before the Earth is to be demolished by an alien construction crew, Arthur Dent is swept off the planet by his friend Ford Prefect, a researcher penning a new edition of "The Hitchhiker's Guide to the Galaxy."
It has an average vote of 6.7 on TMDB.
17. Hellboy
In the final days of World War II, the Nazis attempt to use black magic to aid their dying cause. The Allies raid the camp where the ceremony is taking place, but not before they summon a baby demon who is rescued by Allied forces and dubbed "Hellboy". Sixty years later, Hellboy serves the cause of good rather than evil as an agent in the Bureau of Paranormal Research & Defense, along with Abe Sapien - a merman with psychic powers, and Liz Sherman - a woman with pyrokinesis, protecting America against dark forces.
It has an average vote of 6.7 on TMDB.
18. Amityville: The Awakening
Belle, her little sister, and her comatose twin brother move into a new house with their single mother Joan in order to save money to help pay for her brother's expensive healthcare. But when strange phenomena begin to occur in the house including the miraculous recovery of her brother, Belle begins to suspect her Mother isn't telling her everything and soon realizes they just moved into the infamous Amityville house.
It has an average vote of 5.4 on TMDB.
19. Ali
In 1964, a brash, new pro boxer, fresh from his Olympic gold medal victory, explodes onto the scene: Cassius Clay. Bold and outspoken, he cuts an entirely new image for African Americans in sport with his proud public self-confidence and his unapologetic belief that he is the greatest boxer of all time. Yet at the top of his game, both Ali's personal and professional lives face the ultimate test.
It has an average vote of 6.759 on TMDB.
20. 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 6.206 on TMDB.