Critics have noted the film’s "heavy and very real" look at the lasting effects of domestic violence and toxic masculinity.
Some viewers on platforms like Rotten Tomatoes and IMDb criticized its "robotic" acting, glacial pacing, and perceived narrative inconsistencies, particularly regarding the logic of its minor characters.
Are you more interested in the of the movie, or Film Review – The Dunes (2021)
Reviewers from Movie-Blogger.com and The Independent Critic lauded it as a contemplative, "dynamite" thriller with a standout, menacing performance by Tim Phillipps.
The soundtrack has been compared to a 1990s Nine Inch Nails vibe—grinding and visceral—to match Nicholas's deteriorating mental state.
The film is praised for its visual style, capturing the haunting beauty of the Victorian coastline. Some viewers, however, found the heavy use of blue color grading polarizing.