[4][5][6][7] Concrete Utopia is set in Seoul shortly after a titanic earthquake destroys the city, and follows the residents of a building that miraculously remained intact.

[14] A standalone sequel titled Badland Hunters, following a different set of characters evolving in post-earthquake Seoul, was released in January 2024, with producer Byun Seung-min as the only returning key crew member.

Residents begin to feel threatened as external survivors who have heard of this haven flock to the apartments.

Special appearances On August 4, 2020, Lotte Entertainment announced a disaster thriller film with Um Tae-hwa as director and Lee Byung-hun and Park Bo-young in pivotal roles.

[24] Park Seo-joon was also set to star, in a film based on the webtoon Pleasant Bullying, by Kim Soongnyung.

[38] It opened in first place at the Korean box-office, with 231,015 admissions,[39] and surpassed one million viewers on August 12, four days after its release.

"[44] Casey Chong of Fiction Horizon rated the film eight out of ten and described it as "An intriguing disaster movie that skilfully blends black comedy and psychological thriller".

Concluding, he opined that the film is "cliched and oft-told as a disaster movie, still it can overcome its familiarity by giving it a thought-provoking twist with relatable themes, intriguing storytelling, and solid acting.

"[45] Allan Hunter for ScreenDaily wrote a positive review, stating, "A slick, inventive blend of jeopardy, violence and black comedy gains further appeal from the echoes of J. G. Ballard's High-Rise and elements of biting satire in the style of Triangle of Sadness.

[47] Anna Miller, with Next Best Picture, graded the film 8/10 and wrote, "Concrete Utopia is a gripping, disturbing, and powerful representation of the worst of society, yet equally showcasing the best qualities in humans and how hope, community, and decency will always exist through the dust and devastation.