Best movies like Purple People Eater

A misguided scientist enables an alien from Venus named Zontar to come to earth in order to "help solve man's problems". However, as soon as Zontar arrives on Earth, it quickly becomes obvious that the three-eyed, bat-winged, skeletal black creature has a hidden agenda.

A groups of astronauts crash-land on Venus and find themselves on the wrong side of a group of Venusian women when they kill a monster that is worshipped by them.

Two years after the Martian invasion, George Herbert's worst fears are realized: The Aliens have returned. As a second wave of Martian walkers lay waste to what's left of Earth, an alliance of military forces prepares a daring attack on the Red Planet itself. Once again, the future of mankind hangs in the balance.

On March 13th, 1997 one of the largest UFO sightings ever recorded took place across the southwestern United States...

A rich rocket scientist organizes an expedition to the moon, which they discover is inhabited by nude women.

Two alien brothers crash their ship in the U.S. They get separated, and one searches the country for the other one.

The first manned flight to Mars returns after having been out of communications since it had arrived on Mars. What would it reveal?

After a wave of reports of mysterious attacks involving people and pets being eaten by the traditionally docile fruit, a special government task force is set up to investigate the violent fruit and put a stop to their murderous spree.

In a soon to be demolished block of apartments, the residents resist the criminal methods used to force them to leave so a greedy tycoon can build his new skyscraper. When tiny mechanical aliens land for a recharge, they decide to stay and help out.

It's 2 A.M. in St. Louis when a routine scientific experiment goes terribly wrong and an explosion shakes the city. A scientific team investigates, clashing with an intergalactic, voltage-devouring creature that vaporizes them.

A drive-in favorite, this sci-fi classic follows teenagers Steve and his best girl, Jane, as they try to protect their hometown from a gelatinous alien life form that engulfs everything it touches. The first to discover the substance and live to tell about it, Steve and Jane witness the blob destroying an elderly man, then it growing to a terrifying size. But no one else has seen the goo, and policeman Dave refuses to believe the kids without proof.

In what appears to be a cross between Critters and The Towering Inferno, the residents of a shoddy L.A. apartment block are chased up to the roof by hoards of the eponymous hairy horrors.

In the year 2524, four centuries after humans started colonizing the outer planets, retired General James Ford gets called back into service when a hostile alien fleet attacks soldiers on a remote planet. The threat against mankind soon escalates into an interstellar war as Ford and a team of elite soldiers try to stop the imminent attack before it's too late.

A black hole hits North Wisconsin and opens a door to other dimensions. Giant 15 meter spiders emerge from it, who have an appetite for human flesh! Dr. Jenny Langer and Dr. Vance from NASA try to save the world.

After Los Angeles is invaded by an army of subterranean monsters, a small group of people must fight for survival in the deserted metropolis.

Secretly engineered and blasted into space by government scientists, a vile monster crash-lands back on Earth and begins killing everyone it encounters. As the death toll rises, veteran cop McLemore bravely steps forward to crush the scary creature.

The owner of a suburban art gallery searches for someone to perform an exorcism after a witch casts a spell on him.

Police assitant Boyle along with tomatologist Kennedi Johnson look into investigations about Killer Tomato attacks, and discover Gangrene plans to brainwash people via TV talk shows to take over the world! Will Gangrene be stopped? Will Johnson become part of a Bacon, Lettuce and Human sandwich?

A crew of scientists arrives on a far, cold planet to examine archaic artifacts of unknown origin. They discover that their German enemies already have a ship there. When they seek their help after a failed landing, they only find the Germans’ bodies, obviously slaughtered by one of the archaic creatures, awoken to new life. Now the alien is after them.

A low-budget, sci-fi satire that focuses on a group of scientists whose mission is to destroy unstable planets. 20 years into their mission, they have to battle their alien mascot, that resembles a beach ball, as well as a "sensitive" and intelligent bombing device that starts to question the meaning of its existence.

On its way back to Earth, the space shuttle Nautilus passes through a cloud of alien spores causing its sole occupant, astronaut Steve Thomas to transform into a blood-thirsty monster. The shuttle crashes into a swampy region of central Florida, creating a situation which threatens contagion and/or death to all who encounter the shuttle or its mutated pilot.

Shy seventh-grader Spencer Griffith's life changes when the meteor falls into local junkyard and he finds a Cybersuit - the wise and strong robot from another galaxy. Spencer puts Cybersuit on and becomes a different kind of guy

A pilot is the only hope to stop the mutiny of a spacecraft by its security crew, who plot to sell the crew of the ship into slavery.

Lord Doom, evil master of Proyas, the Dark Planet, sends Kraa the Sea Monster to Earth as part of his plan to dominate the galaxy. To keep the meddling hands of the Planet Patrol out of his scheme, he incapacitates their nearby space station. Fortunately, the alien agent Mogyar is on hand to land on Earth to stop the giant sea-beast. Accidentally landing in New Jersey rather than Italy (where scientists could have helped Mogyar build a weapon to stop Kraa), Mogyar must overcome his stereotypical Italian accent and strange appearance in order to ally with nearby humans to save the day.

After killing the crooked mayor a homicidal janitor named Abdullah goes to work for a butcher who has invented a new language for the town's planned futuristic theme park. In the butcher shop is a septic tank where scraps of meat are dumped which has produced "balonium" a radioactive fuel source sought after by space aliens. The aliens revive the mayor, who's body is hanging in the meat locker of the butcher shop, in an attempt to gain access to the balonium.

In this remake of the classic 50s SF tale, a boy tries to stop an invasion of his town by aliens who take over the the minds of his parents, his least-liked schoolteacher and other townspeople. With the aid of the school nurse the boy enlists the aid of the U.S. Marines.

Simon Watterman, a space archaeologist, discovers the "Munchies" in a cave in Peru. Cecil Watterman, Simon's evil twin brother and snack food entrepreneur, kidnaps the creature. What Cecil does not know is that the creature, when chopped up, regenerates into many new creatures and are they mean!

A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.

An ape crash-lands on Earth, which creates a sludge that makes him and a passing lizard grow to giant-size, resulting in a fight for dominance.

In his hidden laboratory deep in Russia, Dr. Karl Zimmer has invented the Mandroid, a humanoid robot which follows the motions of a man in a special control suit. He has offered the invention to the USA, who have sent Smith and Wait from the CIA for inspection. However Zimmer's partner Drago has different plans, wants to sell Mandroid to the military. The night he tries to steal Mandroid, he becomes exposed to the highly toxic Superconn. But he can flee and won't give up on Mandroid, even though he's terribly disfigured.

The citizens of Comet Valley are being taken over by seeds from an alien plant that has taken root there. A sheriff investigates the strange goings-on.

A comedic drama about a group of people (and several robots) living on a space station in a 1970’s-version of the future. When a new Assistant Captain arrives, she inadvertently ignites tensions among the crew, prompting them to confront their darkest secrets. Barely contained lust, jealousy, and anger all bubble to the surface, becoming just as dangerous as the asteroid that’s heading right for them.

An unsuspecting woman is impregnated by aliens who are experimenting on the human population.

In this loose remake of "Forbidden World" (1982), Commander Krieger and his robot companion Tinpan are summoned by a distress call to a research facility on the planet Phaebon, and soon find themselves battling a bizarre virus and a monstrous creature inadvertently created by the scientists there.

A group of hobgoblins, who allow you to live out your fantasies but kill you in the process, escape from a studio vault, and a security guard and his friends must stop them before dawn.

An alien starship crashes in a swamp in a U.S. National Park. Some mosquitos begin to feed from the alien's corpses, causing them to grow to the size of a vulture. These mutant insects became very agressive, killing every human being they find. Will the few survivors fight successfully against this nightmare...?

Aliens who've come to earth to spawn deep beneath the ocean begin terrorizing a Florida beach community. An ichthyologist and a young filmmaker team up to uncover the mystery of these monsters from the deep--before they strike again.

Two friends on a road trip pass through a town where aliens are landing and feeding upon the some of the civilians.

A spaceship containing specimens for an intergalactic zoo crashes on Earth near a small backwoods town. The specimens escape, and soon town folk start turning up mutilated.

A futuristic underwater sea-lab is having problems with a UFO that's parked between them and a nearby deep ocean trench. As they investigate, they attract the unwanted attention of a dangerous creature who puts the scientists and crew in danger.

After someone is killed in the subterranean project called "Shadowzone," a NASA captain is called in to investigate. In the project, sleeping subjects are induced into a deep EDS state whereby they become portals to a parallel universe. Unfortunately this causes adverse reactions in the subject, and something gets through the portal, the consequence of which is an attrition problem.

A team of men and women investigate the mysterious deaths of two previous expeditions to a strategically important but barren world.

Space miners sent to stop a moon's collision course with the earth discover a hibernating creature that soon revives and starts slaughtering the mining crew.

Four low-ranking astronauts are stuck together on an orbital Sanitation Station after they bring a mysterious device aboard their ship and all life on Earth disappears. Little do they know they are about to come under attack by a mutating rubber duck named Gary, who wants to open a portal to his evil dimension and take over the Universe.

A giant asteroid is heading toward Earth so some astronauts disembark from a nearby space station to blow it up. The mission is successful, and they return to the station unknowingly bringing back a gooey green substance that mutates into one-eyed tentacled monsters that feed off electricity. Soon the station is crawling with them, and people are being zapped left and right!

In the near future the earth has become desolate and dangerous. Now inhabited by by a mysterious race of creatures, humanity has been forced to find refuge in the SkyArk, a man-made city in the sky. As the population grows, space becomes scarce and only the rich and powerful can stay, dumping the poor and orphaned of SkyArk to the abandoned earth.

An isolated Canadian town (populated by the weirdest group of people this side of Saturn) has seen its share of problems. First the nut factory closed, then the CATV antenna stopped broadcasting, and now something is gruesomely devouring the townsfolk! Can visiting atomic scientist (and expert on "cool fusion") Dr. Karel Lamonte solve the mystery before everyone disappears?

A dirty bomb has decimated New York City s financial district and reduced midtown to a post-apocalyptic nightmare. The neighborhood known as Slime City has been evacuated, except for the homeless, and in the ruins of a soup kitchen four squatters discover a supply of food that transforms them into hideous slime creatures, driven to murder! Meanwhile, a greedy developer who has set his sights on Slime City hires a team of mercenaries to wipe out the creatures.

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the extraterrestrial Purple Monster can complete the rocket ship and return to Mars, he will be able to start a full-scale invasion of Earth. Good thing Craig Foster sets out to thwart the Monster's mission!

Warrior ape Trask has crash landed on a dead world, stranded and ready to honorably join his elders in the afterlife. But that is interrupted when a human terraforming ship arrives to restore the planet. Soon this lone simian survivor is at the center of an intergalactic conflict between a greedy corporation, a fanatical religious cult, and a race of hostile aliens who seek apes for food. His only chance for freedom is with the help of a sympathetic and resourceful army colonel. But can just the two of them avert all out war in the cosmos?