Is 400 Days Worth Watching?
Answer: Maybe not, 400 Days is likely a skip if you enjoy Mystery movies.
It features a runtime of 91 minutes and offers a standard storyline that appeals to general audiences.

Verdict:400 Days is a confirmed FLOP based on our analysis of audience ratings and box office momentum.
With a rating of 4.4/10, it has delivered a mixed experience for fans of the Mystery, Science Fiction, Thriller genre.
Answer: Maybe not, 400 Days is likely a skip if you enjoy Mystery movies.
It features a runtime of 91 minutes and offers a standard storyline that appeals to general audiences.
Last updated: January 18, 2026
Released in the dynamic cinematic landscape of 2015, 400 Days emerges as a significant entry in the Mystery, Science Fiction, Thriller domain. The narrative core of the film focuses on a sophisticated exploration of 4 would be astronauts spend 400 days in a land locked space simulator to test the psychological effects of deep space travel but, when something goes terribly wrong and they are forced to leave the simulation, they discover that everything on earth has changed. Unlike standard genre fare, 400 Days attempts to deconstruct traditional tropes, offering a conventional take on its central themes.
The success of any Mystery is often anchored by its ensemble, and 400 Days features a noteworthy lineup led by Brandon Routh . Supported by the likes of Caity Lotz and Dane Cook , the performances bring a palpable realism to the scripted words.
Performance Analysis: While the cast delivers competent and professional performances, they are occasionally hampered by a script that leans into familiar archetypes.
In summary, our editorial assessment of 400 Days (2015) is negative. With an audience rating of 4.4/10, it stands as a highly recommended experience for genre enthusiasts.
Quick Plot Summary: 400 Days is a Mystery, Science Fiction, Thriller film that presents a compelling narrative that engages viewers from start to finish. This summary provides a scannable look at the movie's central conflict and narrative structure.
Ending Breakdown: 400 Days attempts to tie together its various plot elements. The finale presents its approach to mystery resolution.
The final reveal recontextualizes earlier scenes, offering viewers material for post-viewing discussion.
The final moments of 400 Days reflect the filmmakers' creative choices, offering an ending that aligns with the film's tone and style.
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Fandango At HomeAnalyzing the audience sentiment, IMDb rating of 4.4/10, and global collection metrics, 400 Days stands as a challenging project for the creators. It remains an essential piece of the 2015 cinematic year.
400 Days is considered a flop based on audience ratings of 4.4/10 and lower collections.
Based on the low rating of 4.4/10, 400 Days may not be worth watching unless you are a die-hard fan.
400 Days may be available for rent or purchase on digital platforms like Apple TV, Google Play, or Amazon Prime Video. Specific streaming availability can vary by country.
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This analysis is compiled by our editorial experts using multi-source verification and audience sentiment data for maximum accuracy.