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  
It's the first week of winter in 1982. An American Research Base is greeted by an alien force, that can assimilate anything it touches. It's up to the members to stay alive, and be sure of who is human, and who has become one of the Things. (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 7.2/10 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 US 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. (93 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 small 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 5.9/10 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 blood-thirsty 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 investigates 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