# What is the best Korean sci-fi movie ever made?

> Korean cinema has produced some of the most ambitious and original science fiction films of the modern era, from Bong Joon-ho's monster movies to space operas and AI-haunted futures. Which film is the greatest Korean sci-fi ever made?

*By YPB Team · Published May 18, 2026 · https://youpick.best/ranking/what-is-the-best-korean-sci-fi-movie-ever-made*

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## Current results (0 votes)

1. **Snowpiercer**
   Bong Joon-ho's 2013 dystopian thriller set aboard a perpetually moving train where class warfare plays out in icy, claustrophobic cars after a climate apocalypse.
2. **The Host**
   Bong Joon-ho's 2006 monster movie blending family drama and social satire, following a dysfunctional family fighting a mutant creature loose in Seoul.
3. **Space Sweepers**
   A 2021 Netflix space opera following a ragtag crew of junk collectors who discover a child who may be a weapon of mass destruction, South Korea's first big-budget space blockbuster.
4. **Alienoid**
   A 2022 time-travel sci-fi epic that splices Korean historical swordfighting drama with alien prison-guard antics, spanning centuries in a gloriously ambitious blend.
5. **Save the Green Planet!**
   Jang Jun-hwan's eccentric 2003 black comedy about a young man convinced the world will end unless he interrogates a corporate executive he believes is an alien.
6. **Doomsday Book**
   A 2012 anthology of three science fiction short films exploring AI, zombie plagues, and a rogue billiard ball from space, showcasing Korea's inventive storytelling.
7. **Okja**
   Bong Joon-ho's 2017 Netflix film following a young girl and her giant genetically engineered superpig, blending family adventure with sharp corporate satire.
8. **Ashfall**
   A 2019 disaster blockbuster set during the catastrophic volcanic eruption of Mount Paektu on the North Korea–China border, mixing action spectacle with political intrigue.
9. **I'm a Cyborg But That's OK**
   Park Chan-wook's tender 2006 love story set in a psychiatric ward, where a young woman believes she is a cyborg and a fellow patient tries to save her.
10. **The Flu**
   A 2013 epidemic thriller set during a catastrophic outbreak of a mutant influenza strain in a South Korean city, blending government conspiracy with personal survival.
11. **Fabricated City**
   A 2017 cyberpunk-thriller about an unemployed young man who is framed for murder and must use his video-game skills to expose the real criminals in a hyper-networked world.
12. **Sector 7**
   A 2011 action-sci-fi film set on an offshore oil platform terrorised by a mutant deep-sea creature, notable for being one of Korea's first major 3D blockbusters.

Tags: movies, sci-fi, thriller, classics