Rocheworld
by Robert L. Forward
3.76 · 21 ratings
book · sci-fi · hard-sci-fi · adult · fiction · space-opera · nautical · space · action-adventure · underwater
Rocheworld: Similar series
Robot, chronological order
by Isaac Asimov
4.19 · 229 ratings
ai · literary · dystopia · classics · 20th-century · space-opera · sci-fi · hard-sci-fi · mystery · fiction · robots · space · audiobook · male-author · historical · adult · law-enforcement · action-adventure · book · technology
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Nick Hall
by Douglas E. Richards
4.18 · 89 ratings
hard-sci-fi · adult · book · technothriller · mystery · fiction · medical · action-adventure · suspense · sci-fi · military · audiobook · violent-conflict · male-mc · cyberpunk · terrorism · paranormal
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Imperial Radch
by Ann Leckie
4.05 · 193 ratings
book · sci-fi · space-opera · adult · fiction · ai · space · lgbtq · action-adventure · 21st-century · female-author · politics · military · violent-conflict · hard-sci-fi · feminism · contemporary · audiobook · dystopia · epic
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Atopia
by Matthew Mather
3.70 · 66 ratings
audiobook · dystopia · sci-fi · fiction · hard-sci-fi · post-apocalyptic · technothriller · book · futuristic · adult · action-adventure · time-travel · technology · violent-conflict · box-set · supernatural · virtual-reality · mystery · young-adult · aliens
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L'Âge d'or
by John C. Wright
4.12 · 64 ratings
far-future · book · ai · dystopia · space · transhumanism · futuristic · university · hard-sci-fi · fiction · action-adventure · space-opera · sci-fi · singularity · adult · male-author · audiobook · space-fleet · violent-conflict · military
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Inheritance Trilogy
by Ian Douglas
3.88 · 51 ratings
military · audiobook · war · space · violent-conflict · adult · soldiers · sci-fi · space-opera · action-adventure · aliens · fiction · hard-sci-fi · book · space-fleet · space-travel
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Axiom
by Tim Pratt
3.86 · 49 ratings
colonization · book · invasion · space · action-adventure · mystery · aliens · exploration · fiction · lgbtq · hard-sci-fi · violent-conflict · adult · military · first-contact · space-opera · sci-fi · ai · suspense · humor
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Bowl of Heaven
by Gregory Benford
3.46 · 44 ratings
aliens · fiction · book · hard-sci-fi · invasion · adult · space · violent-conflict · first-contact · military · space-opera · sci-fi · exploration · action-adventure · audiobook · space-travel · colonization · ai · evolution
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The Spiral Wars
by Joel Shepherd
4.29 · 117 ratings
soldiers · sci-fi · space-opera · military · adult · space · violent-conflict · hard-sci-fi · book · fiction · ai · audiobook · war · aliens · action-adventure · litrpg · space-fleet · mystery · suspense · galactic-empire
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The Machine Dynasty
by Madeline Ashby
3.44 · 43 ratings
book · cyberpunk · dystopia · fiction · sci-fi · female-author · ai · audiobook · family · near-future · hard-sci-fi · futuristic · action-adventure · robots · epic · adult · horror · time-travel · romance · post-apocalyptic
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Star Quest
by Ben Bova
3.42 · 51 ratings
action-adventure · aliens · exploration · fiction · book · invasion · hard-sci-fi · space · violent-conflict · adult · audiobook · first-contact · space-opera · space-travel · sci-fi · ai · colonization · pollution-climate-change · disaster · post-apocalyptic
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Virga
by Karl Schroeder
3.93 · 72 ratings
industrial-era · steampunk · fiction · sci-fi · space-opera · space · historical · adult · male-author · audiobook · cyberpunk · hard-sci-fi · book · futuristic · action-adventure · far-future · other-world · ai · female-mc · comics
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Star Trek Enterprise
by J.M. Dillard
3.60 · 32 ratings
invasion · adult · book · action-adventure · aliens · fiction · sci-fi · space-opera · military · genetic-engineering · violent-conflict · space · hard-sci-fi · journey · literary-fiction · technology · first-contact
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The Ixan Universe
by Scott Bartlett
3.94 · 54 ratings
fiction · soldiers · sci-fi · space-opera · military · adult · space-fleet · violent-conflict · book · galactic-empire · audiobook · space · hard-sci-fi · aliens · first-contact · invasion · colonization · action-adventure · space-travel · supernatural
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Fox Meridian
by Niall Teasdale
4.27 · 55 ratings
sci-fi · adult · law-enforcement · crime · lgbtq · wlw · fiction · mystery · ai · book · romantic-love · cyberpunk · space-opera · female-mc · alpha-mc · post-apocalyptic · hard-sci-fi · virtual-reality · police-procedural · urban-fantasy
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Reunification
by Julie E. Czerneda
4.06 · 16 ratings
space · violent-conflict · adult · female-author · first-contact · space-opera · sci-fi · paranormal · action-adventure · aliens · fiction · colonization · psychics · book · hard-sci-fi · invasion · military · space-fleet · politics · assassins
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Rissa Kerguelen
by F.M. Busby
3.80 · 25 ratings
sci-fi · fiction · book · adult · space · violent-conflict · space-opera · grim-dark · historical · dystopia · 20th-century · aliens · action-adventure · female-mc · hard-sci-fi · invasion · slavery · military · young-adult · war
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The Science Officer
by Blaze Ward
4.14 · 35 ratings
space · adult · sci-fi · space-opera · fiction · hard-sci-fi · book · ai · space-travel · outlaws · action-adventure · galactic-empire · exploration · military · violent-conflict · futuristic · warriors · audiobook · space-fleet · humor
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Combat-K
by Andy Remic
3.73 · 15 ratings
adult · violent-conflict · military · sci-fi · fiction · action-adventure · book · hard-sci-fi · war · genetic-engineering · horror · zombies · aliens · mystery · supernatural · grim-dark · gods
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Auto Series
by David Wailing
3.83 · 18 ratings
fiction · adult · technothriller · hard-sci-fi · sci-fi · book · mystery · near-future · male-author · box-set · action-adventure · futuristic · drama · law-enforcement · contemporary · realistic · time-travel · dystopia · suspense
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Biofab War
by Stephen Ames Berry
3.50 · 12 ratings
aliens · fiction · war · book · adult · violent-conflict · sci-fi · space-opera · alternate-universe · invasion · space · genetic-engineering · hard-sci-fi · galactic-empire · ai · alternate-history · cyborgs · first-contact
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Jak Jinnaka
by John Barnes
3.25 · 8 ratings
space · sci-fi · space-opera · fiction · action-adventure · hard-sci-fi · book · adult · colonization · male-mc · political-intrigue · aliens · young-adult · espionage · anthologies
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The Veil: Seen and Not Seen
by William Bowden
3.33 · 6 ratings
adult · sci-fi · fiction · mystery · book · hard-sci-fi · first-contact · action-adventure · technothriller · space · genetic-engineering · violent-conflict · ai · space-travel · aliens · supernatural · exploration · urban-fantasy · invasion
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Hellgate
by Mel Keegan
4.00 · 7 ratings
adult · sci-fi · fiction · book · lgbtq · romantic-love · mlm · hard-sci-fi · action-adventure · romance · violent-conflict · space · space-fleet · military · enemies-to-lovers · space-opera · epic · other-world
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