If you want another film with the mix of spaceflight, problem-solving, and unexpected connection found in Project Hail Mary, start with The Martian. It is the closest match for science-driven survival and humor. For first contact, try Arrival; for a larger cosmic journey, choose Interstellar. The recommendations below are grouped by what you want to revisit, rather than presented as equally close matches.
Closest match for science-based survival
The Martian (2015)
Andy Weir wrote both The Martian and Project Hail Mary, and the films share a durable appeal: a stranded astronaut turns a desperate situation into a sequence of practical problems to solve. Expect resourcefulness, experiments, and humor rather than a space adventure driven mainly by combat. It is the strongest first choice if the appeal of Project Hail Mary is watching science and ingenuity keep someone alive. TheWrap, JustWatch, and Sanity all identify the connection.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
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Project Hail Mary (Blu-ray) | $19.95 | Buy on Amazon |
| 2 |
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Project Hail Mary: A Novel | $14.99 | Buy on Amazon |
| 3 |
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Project Hail Mary (Korean Edition) | $35.99 | Buy on Amazon |
| 4 |
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Andy Weir's 3-Book Collection Set (Project Hail Mary, Artemis, the Martian) | $41.19 | Buy on Amazon |
For first contact and communication
Arrival (2016)
Choose Arrival if the most compelling part of Project Hail Mary is the attempt to understand an unfamiliar intelligence. Its first-contact story puts patient communication and the challenge of interpreting an alien language at the center. It is more contemplative than a survival adventure, but shares the idea that connection depends on careful thought. TheWrap and JustWatch both draw this comparison.
Close Encounters of the Third Kind (1977)
This classic is a good next step for a story about humanity encountering visitors from beyond Earth. It is less about solving a technical emergency than about the wonder and uncertainty of contact. TheWrap cites it as a related first-contact film.
#1 Best Overall
E.T. the Extra-Terrestrial (1982)
For the emotional side of meeting an alien, E.T. puts friendship and companionship ahead of scientific procedure. It is the gentler, more family-oriented choice in this group. TheWrap and JustWatch connect it to the alien-friendship element.
For a bigger, more emotional space journey
Interstellar (2014)
Interstellar expands the frame from an individual crisis to humanity’s future, combining ambitious space exploration and speculative science with powerful family stakes. Watch it for the scale and emotional sweep, not as a close replica of Project Hail Mary’s problem-solving rhythm. JustWatch and Sanity highlight those shared elements.
Rank #2
Ad Astra (2019)
For a solitary journey through deep space with family drama at its core, try Ad Astra. It offers visual scale and an inward-looking story, but the cited comparison guide cautions that it is not very scientifically accurate. That makes it a better match for atmosphere and emotional focus than for rigorous science-based troubleshooting. JustWatch
2001: A Space Odyssey (1968)
Stanley Kubrick’s landmark is the pick for a slower, more enigmatic space odyssey and for seeing an influential strand of science-fiction cinema. Its pace and style are far removed from an accessible survival story, so approach it as a classic of the genre rather than a direct tonal match. TheWrap
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For survival, isolation, and high-pressure choices
Apollo 13 (1995)
Unlike the fictional space adventures on this list, Apollo 13 dramatizes a real NASA mission. Its appeal is engineers and astronauts improvising under pressure, making it the most grounded pick for mission problem-solving. It is about a historical emergency, not deep-space first contact. Sanity
Gravity (2013)
Gravity narrows the focus to immediate orbital peril and one person’s fight to survive. It shares the stranded-in-space premise, but its tension is more immediate and intimate than the science-and-communication mix of Project Hail Mary. JustWatch
Moon (2009)
Pick Moon for a quieter, unsettling story built around isolation, memory, and mystery. It shares the loneliness of working far from Earth, but leans toward psychological suspense rather than an outward-facing mission to make contact. Sanity
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.For a solar-scale threat
Sunshine (2007)
Sunshine is the closest premise-level match if you want astronauts confronting a threat to the Sun. Its mission shares the high stakes of a problem with consequences for life on Earth, though the film has a different tone and emphasis from Project Hail Mary. TheWrap
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For a playful, optimistic outlier
The Lego Movie (2014)
This is not a hard-science-fiction equivalent. It belongs here as a tonal left turn: a funny, optimistic story about an ordinary person pushed into an unexpectedly heroic role. Try it if what you want is buoyancy and humor more than spaceflight. TheWrap
How to choose your next watch
- Science-based survival and humor: The Martian.
- First contact and communication: Arrival; for a classic or a warmer alien friendship, choose Close Encounters of the Third Kind or E.T..
- Cosmic scale and emotional stakes: Interstellar or Ad Astra.
- Mission engineering under pressure: Apollo 13.
- Isolation and immediate danger: Gravity or Moon.
- A threat to the Sun: Sunshine.
- Optimistic comedy rather than hard sci-fi: The Lego Movie.
Where to watch these films
Streaming catalogs and rental options vary by country and change over time. JustWatch’s guide is U.S.-oriented and was checked on October 7, 2026; treat it as a dated snapshot, not a guarantee of what is available in your region today. Check a local availability listing before choosing a service. JustWatch’s guide to movies like Project Hail Mary.
Quick Recap
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