The Coolest Alien Invasion Films

Only counting movies that take place on present-day earth, here are some of the best as well as the not-so-good-but-they're-just-dumb-enough-to-be-entertaining alien invasion movies that I have seen.
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1.
The Thing (1982)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
A research facility in Antarctica comes across an alien force that can become anything it touches with 100% accuracy. The members must now find out who's human and who's not before it's too late. (109 mins.)
Director: John Carpenter
“ Honestly, this is the coolest alien life form to invade our planet. ” - DrewMoyer578
 
2.
War of the Worlds (2005)
    1 2 3 4 5 6 7 8 9 10 6.5/10 X  
As Earth is invaded by alien tripod fighting machines, one family fights for survival. (116 mins.)
 
3.
The War of the Worlds (1953)
    1 2 3 4 5 6 7 8 9 10 7.1/10 X  
A small town in California is attacked by Martians. (85 mins.)
Director: Byron Haskin
 
4.
Independence Day (1996)
    1 2 3 4 5 6 7 8 9 10 6.9/10 X  
The aliens are coming and their goal is to invade and destroy Earth. Fighting superior technology, mankind's best weapon is the will to survive. (145 mins.)
Director: Roland Emmerich
“ Really dumb but really cool ” - DrewMoyer578
 
5.
Bad Taste (1987)
    1 2 3 4 5 6 7 8 9 10 6.7/10 X  
The population of a small town disappears and is replaced by aliens that chase human flesh for their intergalactic fast-food chain. (91 mins.)
Director: Peter Jackson
“ Aliens invading earth and using us as meat for an intergalactic fast food restaurant. Brilliant! ” - DrewMoyer578
 
6.
The Day the Earth Stood Still (1951)
    1 2 3 4 5 6 7 8 9 10 7.8/10 X  
An alien lands and tells the people of Earth that they must live peacefully or be destroyed as a danger to other planets. (92 mins.)
Director: Robert Wise
“ Only counting this one. Pretty much just ignore the remake. ” - DrewMoyer578
 
7.
Skyline (2010)
    1 2 3 4 5 6 7 8 9 10 4.4/10 X  
Strange lights descend on the city of Los Angeles, drawing people outside like moths to a flame where an extraterrestrial force threatens to swallow the entire human population off the face of the Earth. (97 mins.)
“ Dumb plot but pretty decent effects. ” - DrewMoyer578
 
8.
Invasion of the Body Snatchers (1956)
    1 2 3 4 5 6 7 8 9 10 7.8/10 X  
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates. (80 mins.)
Director: Don Siegel
 
9.
Invasion of the Body Snatchers (1978)
    1 2 3 4 5 6 7 8 9 10 7.4/10 X  
In San Francisco, a group of people discover the human race is being replaced one by one, with clones devoid of emotion. (115 mins.)
Director: Philip Kaufman
“ Pretty good remake ” - DrewMoyer578
 
10.
Monsters (2010)
    1 2 3 4 5 6 7 8 9 10 6.4/10 X  
Six years after Earth has suffered an alien invasion, a cynical journalist agrees to escort a shaken American tourist through an infected zone in Mexico to the safety of the U.S. border. (94 mins.)
Director: Gareth Edwards
“ Very underrated. Check this one out. ” - DrewMoyer578
 
11.
They Live (1988)
    1 2 3 4 5 6 7 8 9 10 7.3/10 X  
A drifter discovers a pair of sunglasses that allow him to wake up to the fact that aliens have taken over the Earth. (94 mins.)
Director: John Carpenter
 
12.
Predator (1987)
    1 2 3 4 5 6 7 8 9 10 7.8/10 X  
A team of commandos on a mission in a Central American jungle find themselves hunted by an extraterrestrial warrior. (107 mins.)
Director: John McTiernan
 
13.
Predator 2 (1990)
    1 2 3 4 5 6 7 8 9 10 6.2/10 X  
Amidst a territorial gang war in 1997, a sophisticated alien hunter stalks the citizens of Los Angeles and the only man between him and his prey is veteran L.A.P.D. officer, Lieutenant Mike Harrigan. (108 mins.)
Director: Stephen Hopkins
 
14.
Aliens vs. Predator: Requiem (2007)
    1 2 3 4 5 6 7 8 9 10 4.7/10 X  
Warring alien and predator races descend on a rural US town, where unsuspecting residents must band together for any chance of survival. (94 mins.)
“ If you can even see what's going on, this movie is so dark. ” - DrewMoyer578
 
15.
Mars Attacks! (1996)
    1 2 3 4 5 6 7 8 9 10 6.3/10 X  
Earth is invaded by Martians with unbeatable weapons and a cruel sense of humor. (106 mins.)
Director: Tim Burton
“ Ack! Ack! Ack! Ack! Ack! ” - DrewMoyer578
 
16.
Signs (2002)
    1 2 3 4 5 6 7 8 9 10 6.7/10 X  
A family living on a farm finds mysterious crop circles in their fields which suggests something more frightening to come. (106 mins.)
“ Slow and very small scale for a worldwide invasion, but still pretty decent. ” - DrewMoyer578
 
17.
The Faculty (1998)
    1 2 3 4 5 6 7 8 9 10 6.4/10 X  
Students suspect that their teachers are aliens after bizarre occurrences. (104 mins.)
 
18.
Super 8 (2011)
    1 2 3 4 5 6 7 8 9 10 7.1/10 X  
During the summer of 1979, a group of friends witness a train crash and investigate subsequent unexplained events in their small town. (112 mins.)
Director: J.J. Abrams
 
19.
Grabbers (2012)
    1 2 3 4 5 6 7 8 9 10 6.3/10 X  
When an island off the coast of Ireland is invaded by bloodsucking aliens, the heroes discover that getting drunk is the only way to survive. (94 mins.)
Director: Jon Wright
 
20.
Killer Klowns from Outer Space (1988)
    1 2 3 4 5 6 7 8 9 10 6.1/10 X  
Aliens who look like clowns come from outer space and terrorize a small town. (88 mins.)
Director: Stephen Chiodo
“ Definitely the campiest alien invasion flick. ” - DrewMoyer578
 
21.
Altered (2006)
    1 2 3 4 5 6 7 8 9 10 5.7/10 X  
Fifteen years ago, a group of men's lives were forever changed by a strange occurrence. Now, the same group of men will spend a night together ... in terror. (88 mins.)
 
22.
Species (1995)
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  
A group of scientists try to track down and trap a killer alien seductress before she successfully mates with a human. (108 mins.)
Director: Roger Donaldson
“ Probably the sexiest alien invasion movie. ” - DrewMoyer578
 
23.
Battleship (2012)
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  
A fleet of ships is forced to do battle with an armada of unknown origins in order to discover and thwart their destructive goals. (131 mins.)
Director: Peter Berg
 
24.
Cowboys & Aliens (2011)
    1 2 3 4 5 6 7 8 9 10 6.0/10 X  
A spaceship arrives in Arizona, 1873, to take over the Earth, starting with the Wild West region. A posse of cowboys and natives are all that stand in their way. (119 mins.)
Director: Jon Favreau
 
25.
Attack the Block (2011)
    1 2 3 4 5 6 7 8 9 10 6.6/10 X  
A teen gang in South London defend their block from an alien invasion. (88 mins.)
Director: Joe Cornish
 
26.
Men in Black (1997)
    1 2 3 4 5 6 7 8 9 10 7.3/10 X  
A police officer joins a secret organization that polices and monitors extraterrestrial interactions on Earth. (98 mins.)
 
27.
The World's End (2013)
    1 2 3 4 5 6 7 8 9 10 7.0/10 X  
Five friends who reunite in an attempt to top their epic pub crawl from twenty years earlier unwittingly become humanity's only hope for survival. (109 mins.)
Director: Edgar Wright
 
28.
The Thing from Another World (1951)
    1 2 3 4 5 6 7 8 9 10 7.3/10 X  
Scientists and American Air Force officials fend off a bloodthirsty alien organism while at a remote arctic outpost. (87 mins.)
Director: Christian Nyby
“ Not as good as John Carpenter's version, but this is still pretty good. ” - DrewMoyer578
 
29.
Pacific Rim (2013)
    1 2 3 4 5 6 7 8 9 10 7.0/10 X  
As a war between humankind and monstrous sea creatures wages on, a former pilot and a trainee are paired up to drive a seemingly obsolete special weapon in a desperate effort to save the world from the apocalypse. (131 mins.)
“ Inter-dimensional aliens, but aliens never the less. ” - DrewMoyer578
 
30.
Fire in the Sky (1993)
    1 2 3 4 5 6 7 8 9 10 6.5/10 X  
An Arizona logger mysteriously disappears for five days in an alleged encounter with a flying saucer in 1975. (109 mins.)
 
31.
The Blob (1958)
    1 2 3 4 5 6 7 8 9 10 6.4/10 X  
An alien lifeform consumes everything in its path as it grows and grows. (86 mins.)
 
32.
Transformers (2007)
    1 2 3 4 5 6 7 8 9 10 7.1/10 X  
An ancient struggle between two Cybertronian races, the heroic Autobots and the evil Decepticons, comes to Earth, with a clue to the ultimate power held by a teenager. (144 mins.)
Director: Michael Bay
“ The only one of the series that's watchable. ” - DrewMoyer578
 
33.
District 9 (2009)
    1 2 3 4 5 6 7 8 9 10 8.0/10 X  
An extraterrestrial race forced to live in slum-like conditions on Earth suddenly finds a kindred spirit in a government agent who is exposed to their biotechnology. (112 mins.)
Director: Neill Blomkamp
 
34.
Evolution (2001)
    1 2 3 4 5 6 7 8 9 10 6.0/10 X  
A fire-fighting cadet, two college professors, and a geeky but sexy government scientist work against an alien organism that has been rapidly evolving since its arrival on Earth inside a meteor. (101 mins.)
Director: Ivan Reitman
 
35.
Evil Aliens (2005)
    1 2 3 4 5 6 7 8 9 10 5.4/10 X  
A TV crew, desperate to boost ratings, arrive on a remote Welsh farming island to investigate an intriguing incident. A local girl and her boyfriend had been abducted by aliens, who also impregnated her. (93 mins.)
Director: Jake West
 
36.
Slither (2006)
    1 2 3 4 5 6 7 8 9 10 6.5/10 X  
A small town is taken over by an alien plague, turning residents into zombies and all forms of mutant monsters. (95 mins.)
Director: James Gunn
 
37.
The Puppet Masters (1994)
    1 2 3 4 5 6 7 8 9 10 5.9/10 X  
The Earth is invaded by stingray-shaped alien "slugs" that ride on people's backs and control their minds. (109 mins.)
Director: Stuart Orme
“ Not the one with the killer toys. ” - DrewMoyer578
 
38.
Earth vs. the Flying Saucers (1956)
    1 2 3 4 5 6 7 8 9 10 6.4/10 X  
Extraterrestrials traveling in high-tech flying saucers contact scientist Dr. Russell Marvin as part of a plan to enslave the inhabitants of Earth. (83 mins.)
Director: Fred F. Sears
 
39.
The Avengers (2012)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Earth's mightiest heroes must come together and learn to fight as a team if they are to stop the mischievous Loki and his alien army from enslaving humanity. (143 mins.)
Director: Joss Whedon
“ This may be a bit of a cheat, but it technically did have a giant alien invasion at the end. ” - DrewMoyer578
 
40.
Dreamcatcher (2003)
    1 2 3 4 5 6 7 8 9 10 5.5/10 X  
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. (136 mins.)
Director: Lawrence Kasdan
 
41.
Close Encounters of the Third Kind (1977)
    1 2 3 4 5 6 7 8 9 10 7.7/10 X  
After an encounter with U.F.O.s, a line worker feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen. (137 mins.)
 
42.
The Andromeda Strain (1971)
    1 2 3 4 5 6 7 8 9 10 7.2/10 X  
A group of scientists investigate a deadly new alien virus before it can spread. (131 mins.)
Director: Robert Wise
“ Only an alien virus is invading, but it's an alien life form so it counts. ” - DrewMoyer578
 
43.
The Watch (2012)
    1 2 3 4 5 6 7 8 9 10 5.7/10 X  
Four men who form a neighborhood watch group as a way to get out of their day-to-day family routines find themselves defending the Earth from an alien invasion. (102 mins.)
Director: Akiva Schaffer
“ Pretty stupid but kinda funny. ” - DrewMoyer578
 
44.
Battle Los Angeles (2011)
    1 2 3 4 5 6 7 8 9 10 5.8/10 X  
A squadron of U.S. Marines becomes the last line of defense against a global invasion. (116 mins.)
 
45.
The Arrival (1996)
    1 2 3 4 5 6 7 8 9 10 6.3/10 X  
Zane, an astronomer, discovers intelligent alien life. But the aliens are keeping a deadly secret, and will do anything to stop Zane from learning it. (115 mins.)
Director: David Twohy
“ I think this is when we started to suspect Charlie Sheen himself was an alien. It still cannot be proved nor denied. ” - DrewMoyer578
 
46.
Plan 9 from Outer Space (1959)
    1 2 3 4 5 6 7 8 9 10 4.0/10 X  
Aliens resurrect dead humans as zombies and vampires to stop humanity from creating the Solaranite (a sort of sun-driven bomb). (79 mins.)
“ Soooooooooooooo bad but still fun. ” - DrewMoyer578