Books Like Project Hail Mary — 7 Sci-Fi Reads You'll Love

What makes Project Hail Mary special: it's funny, it's clever, it's genuinely optimistic about human (and non-human) ingenuity, and it sneaks in a friendship so emotionally devastating you won't see it coming. These 7 books share its combination of hard science, dry humor, emotional stakes, and that specific feeling of a problem being solved in real time.

Already read it? → See our full Project Hail Mary review for spoiler discussion and what to read next.
The Martian book cover
Pick #1

The Martian

Andy Weir • 2011
Same author, same voice, same approach — a character alone in a hostile environment who survives by being smarter than the situation. Mark Watney on Mars and Ryland Grace in deep space share the same sardonic internal monologue and the same relentless problem-solving that makes Weir's books impossible to abandon.
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Dungeon Crawler Carl book cover
Pick #2

Dungeon Crawler Carl

Matt Dinniman • 2021
The same dry humor and inventive problem-solving, but turned up to eleven. Carl is in an impossible situation — an alien game show that has replaced Earth — and survives by being clever, stubborn, and occasionally insane. If you loved Ryland's voice, Carl will feel like a spiritual sibling.
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The Long Way to a Small Angry Planet book cover
Pick #3

The Long Way to a Small, Angry Planet

Becky Chambers • 2014
Warm, optimistic science fiction focused on relationship-building and found family in space. Chambers writes with the same emotional generosity as Weir — you fall in love with her characters the same way you fall in love with Rocky. Perfect for readers who want the heart of PHM without the survival thriller.
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Children of Time book cover
Pick #4

Children of Time

Adrian Tchaikovsky • 2015
One of the best first-contact novels ever written. Humanity races to find a new home while a civilization of uplifted spiders evolves on a distant planet. The alien viewpoint — written from inside a completely non-human intelligence — delivers the same wonder and emotional weight as PHM's central relationship.
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Recursion book cover
Pick #5

Recursion

Blake Crouch • 2019
Fast-paced, scientifically grounded, and emotionally devastating. Crouch writes thrillers driven by real scientific concepts — in Recursion's case, memory and time. The relentless momentum and the emotional toll on the protagonist mirror the best parts of Project Hail Mary.
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Dark Matter book cover
Pick #6

Dark Matter

Blake Crouch • 2016
A physicist wakes up in a life that isn't his — and has to use science to get back. Same combination of hard science, high stakes, and a protagonist solving problems under pressure. Slightly more thriller, slightly less optimistic, but the same reading experience of not being able to put it down.
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Blindsight book cover
Pick #7

Blindsight

Peter Watts • 2006
For readers who want their first contact hard and philosophical. A crew is sent to investigate an alien object at the edge of the solar system and discovers something that challenges the nature of consciousness itself. Darker and denser than PHM but rewards readers who want first contact taken to its most unsettling extreme.
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Frequently Asked Questions

Is there a sequel to Project Hail Mary?

No — Project Hail Mary is a standalone novel. Andy Weir has stated he considers the story complete. If you want more of the same feeling, The Martian is the closest experience available: same author, same voice, similar structure.

Is Project Hail Mary being made into a movie?

Yes — a film adaptation is in development with Ryan Gosling attached to star as Ryland Grace. Phil Lord and Christopher Miller (The LEGO Movie, Spider-Man: Into the Spider-Verse) are directing. No confirmed release date as of 2025.

What makes Project Hail Mary different from other sci-fi?

The combination of optimism, humor, and emotional depth is genuinely unusual in hard sci-fi. Most hard SF is cold or bleak — PHM uses rigorous science as the foundation for a story that is fundamentally about friendship and hope. It's closer in spirit to a buddy comedy that happens to be set in space than to a traditional hard science fiction novel.