The Playlist by Nikola Grozdanovic

Haemoo is a picture worth seeing for its thrills, scrupulous tension-building and mischievous genre twists that will have you gasping one second, and laughing the next.

The Film Stage by John Fink

Shim’s direction grows more confident as he expertly delivers genre thrills and moral dilemmas.

The Hollywood Reporter by Clarence Tsui

It's a gripping ride through the storm...with powerful imagery, a simple and accessible story and a stellar performance from Kim Yoon-seok.

Variety by Maggie Lee

This directing debut by helmer-scribe Shim Sung-bo echoes Bong’s trademark cynical vision of human nature, but the characters lack dimensionality and psychological depth.

CineVue by Ben Nicholson

Shim directs well, but he lacks the verve for this to sail through on its visuals and although the denouement returns to the unconventional (discounting the unnecessary coda), the climax reduces the impact of what was otherwise an enthralling voyage.

Slant Magazine by Chuck Bowen

The film fails to lift off from this sturdy aesthetic launching pad; it never allows the characters, however stock, to evolve in their respective dealings with one another, which is the primary source of tension and escalation for a thriller set in a confined place.