Annihilation (2018) is a sci-fi movie directed by Alex Garland. The list below collects the movies that people who loved it enjoyed most, best known first.

★ 6.3 · 3,496 votes · Horror, Thriller
When a huge hurricane hits her hometown in Florida, Haley ignores evacuation orders to look for her father. After finding him badly wounded, both are trapped by the flood. With virtually no time to escape the storm, they discover that rising water levels are the least of their problems.
Movies like Crawl →
★ 6.7 · 6,767 votes · Drama, Thriller, Sci-Fi
As an epidemic of a lethal airborne virus - that kills within days - rapidly grows, the worldwide medical community races to find a cure and control the panic that spreads faster than the virus itself.
Movies like Contagion →
★ 8.6 · 8,304 votes · Sci-Fi, Adventure
Science teacher Ryland Grace wakes up on a spaceship light years from home with no recollection of who he is or how he got there. As his memory returns, he begins to uncover his mission: solve the riddle of the mysterious substance causing the sun to die out. He must call on his scientific knowledge and unorthodox ideas to save everything on Earth from extinction.
Movies like Project Hail Mary →
★ 8.1 · 8,348 votes · Horror, Mystery, Sci-Fi
A research team in Antarctica is hunted by a shape-shifting alien that assumes the appearance of its victims.
Movies like The Thing →
★ 7.5 · 10,736 votes · Sci-Fi
Thirty years ago, aliens arrive on Earth. Not to conquer or give aid, but to find refuge from their dying planet. Separated from humans in a South African area called District 9, the aliens are managed by Multi-National United, which is unconcerned with the aliens' welfare but will do anything to master their advanced technology. When a company field agent contracts a mysterious virus that begins to alter his DNA, there is only one place he can hide: District 9.
Movies like District 9 →
★ 7.4 · 5,202 votes · Horror, Sci-Fi
When brilliant, eccentric scientist Seth Brundle makes a huge technological breakthrough in teleportation, he decides to test it on himself. Unbeknownst to him, a common housefly manages to get inside the device and the two become one.
Movies like The Fly →
★ 7.0 · 1,927 votes · Thriller, Horror, Sci-Fi
Johnny Smith is a schoolteacher with his whole life ahead of him but, after leaving his fiancee's home one night, is involved in a car crash which leaves him in a coma for 5 years. When he wakes, he discovers he has an ability to see into the past, present and future life of anyone with whom he comes into physical contact.
Movies like The Dead Zone →
★ 6.8 · 454 votes · Horror, Mystery, Sci-Fi
In a post-apocalyptic future where an event known as "The Quiet Rapture" caused all known stars and habitable planets in the universe to disappear, a convict is sent to search an ocean of blood discovered on a desolate moon, using a small submarine nicknamed the "Iron Lung".
Movies like Iron Lung →
★ 6.7 · 815 votes · Horror, Sci-Fi, Thriller
A research scientist explores the boundaries and frontiers of human consciousness. Using sensory deprivation and hallucinogenic mixtures from Native American shamans, he explores these altered states of cognizance and finds that memory, time, and reality itself are states of mind.
Movies like Altered States →
★ 7.6 · 9,468 votes · Sci-Fi, Thriller, Mystery
In the year 2035, convict James Cole reluctantly volunteers to be sent back in time to discover the origin of a deadly virus that wiped out nearly all of the earth's population and forced the survivors into underground communities. But when Cole is mistakenly sent to 1990 instead of 1996, he's arrested and locked up in a mental hospital. There he meets psychiatrist Dr. Kathryn Railly and the son of a famous virus expert who may hold the key to the Army of the 12 Monkeys; thought to be responsible for unleashing the killer disease.
Movies like Twelve Monkeys →
★ 7.3 · 3,395 votes · Mystery, Sci-Fi
A man struggles with memories of his past, including a wife he cannot remember, in a nightmarish world with no sun and run by beings with telekinetic powers who seek the souls of humans.
Movies like Dark City →
★ 6.6 · 3,521 votes · Horror, Sci-Fi, Mystery
In 2047, a group of astronauts are sent to investigate and salvage the starship Event Horizon which disappeared mysteriously seven years before on its maiden voyage. However, it soon becomes evident that something sinister resides in its corridors.
Movies like Event Horizon →
★ 7.0 · 6,137 votes · Horror, Sci-Fi, Thriller
After a violent storm, a dense cloud of mist envelops a small Maine town, trapping David Drayton and his five-year-old son in a local grocery store with other local residents. They soon discover that the mist conceals deadly horrors that threaten their lives, and worse, their sanity.
Movies like The Mist →
★ 6.4 · 576 votes · Horror, Thriller
A Harvard anthropologist is sent to Haiti to retrieve a strange powder that is said to have the power to bring human beings back from the dead. In his quest to find the miracle drug, the cynical scientist enters the rarely seen netherworld of walking zombies, blood rites and ancient curses. Based on the true life experiences of Wade Davis and filmed on location in Haiti, it's a frightening excursion into black magic and the supernatural.
Movies like The Serpent and the Rainbow →
★ 6.3 · 5,081 votes · Thriller, Mystery, Horror
A group of families on a tropical holiday discover that the secluded beach where they are staying is somehow causing them to age rapidly – reducing their entire lives into a single day.
Movies like Old →
★ 6.7 · 324 votes · Horror, Sci-Fi
After the death of his father, a brilliant college student returns to his family home where he learns that the horrors from his childhood aren't as dead and gone as he once thought.
Movies like The Return →