31 Books like All Systems Red

Project Hail Mary

by Andy Weir • 2021

He wakes alone with no memory on an interstellar mission to stop a star-killing plague.

4.51

1.4M+

🔬 Hard Science Fiction 👽 First Contact 🧠 Amnesiac Protagonist 🤝 Interspecies Friendship 😬 Reluctant Hero

Project Hail Mary 93%

He wakes alone with no memory on an interstellar mission to stop a star-killing plague.

by Andy Weir 2021

4.51

1.4M+ ratings

🔬 Hard Science Fiction 👽 First Contact 🧠 Amnesiac Protagonist 🤝 Interspecies Friendship 😬 Reluctant Hero

Delta-v

by Daniel Suarez • 2019

A cave diver joins outcasts mining an asteroid in secret, far beyond hope of rescue.

4.16

11k+

🚀 Hard Sf ☄️ Asteroid Mining 🫂 Found Family 🛠️ Ragtag Crew 🌌 Deep Space

Delta-v 92%

A cave diver joins outcasts mining an asteroid in secret, far beyond hope of rescue.

by Daniel Suarez 2019

4.16

11k+ ratings

🚀 Hard Sf ☄️ Asteroid Mining 🫂 Found Family 🛠️ Ragtag Crew 🌌 Deep Space

Cascade Failure

by L.M. Sagas • 2024

A deserter joins a ragtag crew and uncovers a terraforming weapon that silences entire planets.

3.88

4k+

🛠️ Found Family 🚀 Misfit Crew 🤖 Ai Captain 🌟 Hopepunk 📊 Corporate Conspiracy

Cascade Failure 92%

A deserter joins a ragtag crew and uncovers a terraforming weapon that silences entire planets.

by L.M. Sagas 2024

3.88

4k+ ratings

🛠️ Found Family 🚀 Misfit Crew 🤖 Ai Captain 🌟 Hopepunk 📊 Corporate Conspiracy

Gateway

by Craig Alanson • 2025

His AI lost inside a star, Bishop faces an ancient enemy opening the galaxy's door.

4.41

4k+

🚀 Military Space Opera 🤖 Snarky AI Companion 🫂 Found Family 😰 Reluctant Leader 😏 Witty Banter

Gateway 92%

His AI lost inside a star, Bishop faces an ancient enemy opening the galaxy's door.

by Craig Alanson 2025

4.41

4k+ ratings

🚀 Military Space Opera 🤖 Snarky AI Companion 🫂 Found Family 😰 Reluctant Leader 😏 Witty Banter

Operation Bounce House

by Matt Dinniman • 2026

A farmer wakes to find his colony turned into a children's live-fire mech game.

3.91

35k+

🎮 Death Game 🤖 Mech Combat 🐝 AI Companion ⚔️ Colonist Uprising 🩷 Found Family

Operation Bounce House 92%

A farmer wakes to find his colony turned into a children's live-fire mech game.

by Matt Dinniman 2026

3.91

35k+ ratings

🎮 Death Game 🤖 Mech Combat 🐝 AI Companion ⚔️ Colonist Uprising 🩷 Found Family

The Android's Dream

by John Scalzi • 2006

A diplomatic fart kills a negotiator. Peace requires one extinct sheep: a woman who never knew.

3.99

24k+

🛸 Comic Space Opera 🦸 Reluctant Hero 🤖 AI Companion 🤪 Absurdist Humor 🌌 Interstellar Politics

The Android's Dream 92%

A diplomatic fart kills a negotiator. Peace requires one extinct sheep: a woman who never knew.

by John Scalzi 2006

3.99

24k+ ratings

🛸 Comic Space Opera 🦸 Reluctant Hero 🤖 AI Companion 🤪 Absurdist Humor 🌌 Interstellar Politics

Ancillary Justice

by Ann Leckie • 2013

A warship AI, reduced to a single body, pursues the immortal ruler who executed her crew.

3.99

120k+

👾 Ai Protagonist ⚔️ Revenge Quest 🏛️ Political Intrigue 🌌 Far Future Empire 🤝 Reluctant Allies

Ancillary Justice 92%

A warship AI, reduced to a single body, pursues the immortal ruler who executed her crew.

by Ann Leckie 2013

3.99

120k+ ratings

👾 Ai Protagonist ⚔️ Revenge Quest 🏛️ Political Intrigue 🌌 Far Future Empire 🤝 Reluctant Allies

Leviathan Wakes

by James S.A. Corey • 2011

A detective and a captain race to stop a corporation's alien virus from consuming humanity.

4.31

325k+

🚀 Space Opera 🕵️ Noir Detective 🦠 Alien Virus 🫂 Found Family 👥 Dual Perspectives

Leviathan Wakes 92%

A detective and a captain race to stop a corporation's alien virus from consuming humanity.

by James S.A. Corey 2011

4.31

325k+ ratings

🚀 Space Opera 🕵️ Noir Detective 🦠 Alien Virus 🫂 Found Family 👥 Dual Perspectives

We Are Legion (We Are Bob)

by Dennis E. Taylor • 2016

A dead engineer wakes as an AI and is hurled into space inside a self-replicating probe.

4.25

133k+

🧠 Digital Consciousness 🚀 Von Neumann Probe 👥 Multiple Selves ⚖️ Prime Directive 🌍 Humanity's Last Hope

We Are Legion (We Are Bob) 92%

A dead engineer wakes as an AI and is hurled into space inside a self-replicating probe.

by Dennis E. Taylor 2016

4.25

133k+ ratings

🧠 Digital Consciousness 🚀 Von Neumann Probe 👥 Multiple Selves ⚖️ Prime Directive 🌍 Humanity's Last Hope

Mickey7

by Edward Ashton • 2022

An expendable colonist survives a mission and returns to find his duplicate already living his life.

3.78

58k+

🧠 Consciousness Transfer 👥 Accidental Duplicate 👽 Sentient Aliens 🤝 First Contact 🪐 Colony Sci-Fi

Mickey7 92%

An expendable colonist survives a mission and returns to find his duplicate already living his life.

by Edward Ashton 2022

3.78

58k+ ratings

🧠 Consciousness Transfer 👥 Accidental Duplicate 👽 Sentient Aliens 🤝 First Contact 🪐 Colony Sci-Fi

Old Man's War

by John Scalzi • 2005

A seventy-five-year-old widower joins the army for a new body and gets an interstellar war.

4.23

227k+

🪖 Military Sci-Fi 🧬 Consciousness Transfer 👽 Alien Warfare 😏 Wry Humor 💪 Boot Camp Training

Old Man's War 91%

A seventy-five-year-old widower joins the army for a new body and gets an interstellar war.

by John Scalzi 2005

4.23

227k+ ratings

🪖 Military Sci-Fi 🧬 Consciousness Transfer 👽 Alien Warfare 😏 Wry Humor 💪 Boot Camp Training

Service Model

by Adrian Tchaikovsky • 2024

A robot valet kills his master, then crosses a dead civilization to find out why.

4.03

23k+

🎭 Philosophical Satire 🤖 Robot Self-Discovery 📋 Bureaucratic Absurdity 🫖 Loyal Servant Narrator 😐 Deadpan Narrator

Service Model 91%

A robot valet kills his master, then crosses a dead civilization to find out why.

by Adrian Tchaikovsky 2024

4.03

23k+ ratings

🎭 Philosophical Satire 🤖 Robot Self-Discovery 📋 Bureaucratic Absurdity 🫖 Loyal Servant Narrator 😐 Deadpan Narrator

Artemis

by Andy Weir • 2017

A porter and smuggler on the moon takes a job sabotaging harvesters that goes violently wrong.

3.68

335k+

🚀 Hard Sci-Fi 🌕 Lunar City 💰 Heist Gone Wrong 🏭 Corporate Sabotage 🛠️ Working Class Hero

Artemis 91%

A porter and smuggler on the moon takes a job sabotaging harvesters that goes violently wrong.

by Andy Weir 2017

3.68

335k+ ratings

🚀 Hard Sci-Fi 🌕 Lunar City 💰 Heist Gone Wrong 🏭 Corporate Sabotage 🛠️ Working Class Hero

Double Share

by Nathan Lowell • 2008

New third mate boards merchant spaceship: crew broken, first mate brutal. Change is dangerous.

4.35

6k+

🚀 Space Merchant Marine 🛋️ Cozy Sci-Fi 🤝 Found Family 👊 Toxic Workplace 🧠 Competence Porn

Double Share 91%

New third mate boards merchant spaceship: crew broken, first mate brutal. Change is dangerous.

by Nathan Lowell 2008

4.35

6k+ ratings

🚀 Space Merchant Marine 🛋️ Cozy Sci-Fi 🤝 Found Family 👊 Toxic Workplace 🧠 Competence Porn

The Long Way to a Small, Angry Planet

by Becky Chambers • 2014

Running from her past, a clerk joins a wormhole ship crewed by chaotic, lovable misfits.

4.17

188k+

🛸 Found Family ☕ Cozy Sci-Fi 🚀 Ragtag Crew 🤝 Interspecies Bonds 💘 Slow Burn Romance

The Long Way to a Small, Angry Planet Summary

The Long Way to a Small, Angry Planet 91%

Running from her past, a clerk joins a wormhole ship crewed by chaotic, lovable misfits.

by Becky Chambers 2014

4.17

188k+ ratings

🛸 Found Family ☕ Cozy Sci-Fi 🚀 Ragtag Crew 🤝 Interspecies Bonds 💘 Slow Burn Romance

Paradox - On the Brink of Eternity

by Phillip P. Peterson • 2015

Probes vanish beyond Pluto. A claustrophobic physicist boards a ship to find what blocks the stars.

4.09

3k+

🔬 Hard Sf Mystery 🛰️ Megastructure Encounter 👽 First Contact 🏢 Corporate Space Race 🤖 Ancient Guardian Ai

Paradox - On the Brink of Eternity Summary

Paradox - On the Brink of Eternity 91%

Probes vanish beyond Pluto. A claustrophobic physicist boards a ship to find what blocks the stars.

by Phillip P. Peterson 2015

4.09

3k+ ratings

🔬 Hard Sf Mystery 🛰️ Megastructure Encounter 👽 First Contact 🏢 Corporate Space Race 🤖 Ancient Guardian Ai

The Employees

by Olga Ravn • 2018

A ship's human and android crew catalogs alien objects that provoke longing and unravel identity.

3.63

31k+

🏢 Workplace Dystopia 🗿 Alien Artifacts 🤖 Sentient Androids 🧩 Fragmented Narrative 🧬 Creator And Creation

The Employees 91%

A ship's human and android crew catalogs alien objects that provoke longing and unravel identity.

by Olga Ravn 2018

3.63

31k+ ratings

🏢 Workplace Dystopia 🗿 Alien Artifacts 🤖 Sentient Androids 🧩 Fragmented Narrative 🧬 Creator And Creation

The Martian

by Andy Weir • 2011

Stranded on Mars, a botanist farms potatoes and fights to signal Earth before his food disappears.

4.42

1.3M+

🔬 Hard Science Fiction 🛠️ Improvised Engineering 🧍‍♂️ Lone Survivor 👩‍🔬 Scientists As Heroes 😅 Humor In Adversity

The Martian 91%

Stranded on Mars, a botanist farms potatoes and fights to signal Earth before his food disappears.

by Andy Weir 2011

4.42

1.3M+ ratings

🔬 Hard Science Fiction 🛠️ Improvised Engineering 🧍‍♂️ Lone Survivor 👩‍🔬 Scientists As Heroes 😅 Humor In Adversity

Ender’s Game

by Orson Scott Card • 1985

A child prodigy is drafted to an orbital battle academy where war games determine humanity's fate.

4.31

1.5M+

🎓 Military Academy 👽 Alien War 🧠 Child Prodigy 🎭 Psychological Manipulation ⚔️ Strategic Warfare

Ender’s Game 91%

A child prodigy is drafted to an orbital battle academy where war games determine humanity's fate.

by Orson Scott Card 1985

4.31

1.5M+ ratings

🎓 Military Academy 👽 Alien War 🧠 Child Prodigy 🎭 Psychological Manipulation ⚔️ Strategic Warfare

The Tin Men

by Nelson DeMille • 2025

Sixty war robots sit chained in a Mojave vault. One has already killed.

4.23

8k+

🔒 Locked Room Mystery 🎖️ Military Thriller 🕵️ Buddy Investigators 🤖 Rogue AI 💀 Robot Uprising

The Tin Men 91%

Sixty war robots sit chained in a Mojave vault. One has already killed.

by Nelson DeMille 2025

4.23

8k+ ratings

🔒 Locked Room Mystery 🎖️ Military Thriller 🕵️ Buddy Investigators 🤖 Rogue AI 💀 Robot Uprising

A Psalm for the Wild-Built

by Becky Chambers • 2021

A tea monk walks into the wilderness and meets a robot sent to understand human longing.

4.21

193k+

🏙️ Solarpunk Utopia 🤖 Robot Companion 💚 Unlikely Friendship 🏳️ Nonbinary Lead 🛤️ Philosophical Journey

A Psalm for the Wild-Built 91%

A tea monk walks into the wilderness and meets a robot sent to understand human longing.

by Becky Chambers 2021

4.21

193k+ ratings

🏙️ Solarpunk Utopia 🤖 Robot Companion 💚 Unlikely Friendship 🏳️ Nonbinary Lead 🛤️ Philosophical Journey

Trading in Danger

by Elizabeth Moon • 2003

A disgraced cadet captains a rusty freighter into a star system collapsing into war.

4.00

16k+

🚀 Interstellar Trade ⚔️ Space Mutiny 👥 Ragtag Crew 💰 Space Mercenaries 👩‍✈️ Woman Ship Captain

Trading in Danger 91%

A disgraced cadet captains a rusty freighter into a star system collapsing into war.

by Elizabeth Moon 2003

4.00

16k+ ratings

🚀 Interstellar Trade ⚔️ Space Mutiny 👥 Ragtag Crew 💰 Space Mercenaries 👩‍✈️ Woman Ship Captain

Skywave

by K. Patrick Donoghue • 2018

Amateur astronomer's Callisto signal ignites a billionaire's secret space race to uncover the truth.

4.34

2k+

📡 Alien Signal 🕵️ Government Cover-Up 🚀 Private Space Enterprise ⚡ Energy-Based Lifeforms 🪐 Lost Space Mission

Skywave 90%

Amateur astronomer's Callisto signal ignites a billionaire's secret space race to uncover the truth.

by K. Patrick Donoghue 2018

4.34

2k+ ratings

📡 Alien Signal 🕵️ Government Cover-Up 🚀 Private Space Enterprise ⚡ Energy-Based Lifeforms 🪐 Lost Space Mission

Bitter Angels

by C.L. Anderson • 2009

Her mentor's murder drags a retired Guardian back to a system where immortals harvest human minds.

3.30

279

🌑 Space Opera Noir 🤖 AI Companions 🌀 Unreliable Reality 👑 Dynastic Dystopia 💧 Resource Scarcity

Bitter Angels 90%

Her mentor's murder drags a retired Guardian back to a system where immortals harvest human minds.

by C.L. Anderson 2009

3.30

279 ratings

🌑 Space Opera Noir 🤖 AI Companions 🌀 Unreliable Reality 👑 Dynastic Dystopia 💧 Resource Scarcity

The Road to Roswell

by Connie Willis • 2023

A maid of honor's alien abduction in Roswell is a rescue mission, not an invasion.

3.71

9k+

🛸 Comic Science Fiction 👽 First Contact 🖤 Interspecies Friendship 🎭 Oddball Ensemble 💕 Forced Proximity

The Road to Roswell 90%

A maid of honor's alien abduction in Roswell is a rescue mission, not an invasion.

by Connie Willis 2023

3.71

9k+ ratings

🛸 Comic Science Fiction 👽 First Contact 🖤 Interspecies Friendship 🎭 Oddball Ensemble 💕 Forced Proximity

Light of the Jedi

by Charles Soule • 2021

A freighter explodes in hyperspace, raining debris on a system. Jedi unite to stop the cataclysm.

3.92

34k+

💥 Space Disaster ⚔️ Master And Apprentice 🌟 Hopeful Sci-Fi 🎬 Cinematic Action 🚨 Rescue Mission

Light of the Jedi 90%

A freighter explodes in hyperspace, raining debris on a system. Jedi unite to stop the cataclysm.

by Charles Soule 2021

3.92

34k+ ratings

💥 Space Disaster ⚔️ Master And Apprentice 🌟 Hopeful Sci-Fi 🎬 Cinematic Action 🚨 Rescue Mission

Flybot

by Dennis E. Taylor • 2025

A physicist traces a robotic fly to a rogue AI orchestrating a bioterror attack.

4.03

4k+

🤖 Rogue Ai 💻 Techno Thriller ✨ Emergent Consciousness 🕸️ Ai Manipulation 🧬 Bioterrorism

Flybot 90%

A physicist traces a robotic fly to a rogue AI orchestrating a bioterror attack.

by Dennis E. Taylor 2025

4.03

4k+ ratings

🤖 Rogue Ai 💻 Techno Thriller ✨ Emergent Consciousness 🕸️ Ai Manipulation 🧬 Bioterrorism

Starter Villain

by John Scalzi • 2023

A broke teacher inherits a supervillain island where dolphins unionize, cats spy, and killers wait.

4.11

100k+

🏢 Corporate Satire 👑 Reluctant Heir 🐬 Sentient Animals 🏝️ Secret Island Base 🕵️ Spy Thriller Lite

Starter Villain 90%

A broke teacher inherits a supervillain island where dolphins unionize, cats spy, and killers wait.

by John Scalzi 2023

4.11

100k+ ratings

🏢 Corporate Satire 👑 Reluctant Heir 🐬 Sentient Animals 🏝️ Secret Island Base 🕵️ Spy Thriller Lite

To Be Taught, If Fortunate

by Becky Chambers • 2019

Four astronauts explore alien worlds in bodies engineered for each one. Then Earth stops answering.

4.19

58k+

🫂 Found Family 🌈 Queer Ensemble 🧬 Genetic Adaptation 🌱 Hopepunk 🧘 Quiet Contemplation

To Be Taught, If Fortunate 90%

Four astronauts explore alien worlds in bodies engineered for each one. Then Earth stops answering.

by Becky Chambers 2019

4.19

58k+ ratings

🫂 Found Family 🌈 Queer Ensemble 🧬 Genetic Adaptation 🌱 Hopepunk 🧘 Quiet Contemplation

Consider Phlebas

by Iain M. Banks • 1987

To save a crumbling empire, a shapeshifter must steal a runaway supermind from a dead world.

3.85

102k+

🦎 Shapeshifter Protagonist 🚀 Mercenary Crew 🛐 Alien Religion 🌍 Doomed Megastructure 🧠 Sentient Starship

Consider Phlebas 90%

To save a crumbling empire, a shapeshifter must steal a runaway supermind from a dead world.

by Iain M. Banks 1987

3.85

102k+ ratings

🦎 Shapeshifter Protagonist 🚀 Mercenary Crew 🛐 Alien Religion 🌍 Doomed Megastructure 🧠 Sentient Starship

Dead Silence

by S.A. Barnes • 2022

A salvage leader boards a ghost ship whose passengers slaughtered themselves; now her crew is next.

3.78

39k+

🛸 Haunted Spaceship 🌌 Space Horror 🧠 Unreliable Narrator 🏢 Corporate Conspiracy 🛠️ Salvage Crew

Dead Silence 90%

A salvage leader boards a ghost ship whose passengers slaughtered themselves; now her crew is next.

by S.A. Barnes 2022

3.78

39k+ ratings

🛸 Haunted Spaceship 🌌 Space Horror 🧠 Unreliable Narrator 🏢 Corporate Conspiracy 🛠️ Salvage Crew

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