The Doomed Earth
by Jack Campbell
4.00 · 8 ratings
violent-conflict · military · sci-fi · action-adventure · fiction · aliens · time-travel · invasion · space · anthologies · male-mc · audiobook · existentialism · first-contact · space-travel · space-opera · crime · adult · philosophy · paranormal
The Doomed Earth: Similar series
The Tower and the Hive
by Anne McCaffrey
3.97 · 170 ratings
romance · space · audiobook · paranormal · aliens · fiction · action-adventure · psychics · futuristic · female-author · space-opera · space-travel · epic · sci-fi · young-adult · supernatural · book · invasion · female-mc · family
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Starbound
by Amie Kaufman
3.89 · 124 ratings
futuristic · action-adventure · mystery · aliens · fiction · space-opera · new-adult · sci-fi · book · romance · young-adult · paranormal · space · survival · dystopia · death · male-mc · military · female-author · supernatural
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Catteni
by Anne McCaffrey
3.96 · 124 ratings
adult · invasion · romance · violent-conflict · female-author · first-contact · space-opera · space-travel · sci-fi · aliens · fiction · action-adventure · futuristic · dystopia · space · audiobook · colonization · other-world · female-mc · survival
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Xenogenesis
by Octavia E. Butler
4.25 · 151 ratings
female-author · first-contact · horror · poc-author · post-apocalyptic · classics · literary · feminism · space · dystopia · apocalyptic · lgbtq · action-adventure · afrofuturism · aliens · fiction · female-mc · poc-mc · 20th-century · sci-fi
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Binti
by Nnedi Okorafor
3.95 · 142 ratings
sci-fi · fiction · poc-mc · space-opera · violent-conflict · female-author · action-adventure · aliens · afrofuturism · coming-of-age · feminism · space · dystopia · audiobook · poc-author · young-adult · magic · family · futuristic · female-mc
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The Kurtherian Gambit
by Michael Anderle
4.48 · 585 ratings
aliens · fiction · vampires · urban-fantasy · paranormal · action-adventure · violent-conflict · shapeshifters · genetic-engineering · space · galactic-empire · military · space-opera · book · audiobook · war · sci-fi · suspense · invasion · first-contact
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Firefall
by Peter Watts
3.91 · 96 ratings
aliens · fiction · hard-sci-fi · first-contact · horror · adult · sci-fi · book · 21st-century · action-adventure · mystery · space-opera · audiobook · cyberpunk · dystopia · space · spirituality · military · male-author · violent-conflict
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Confluence
by Jennifer Foehner Wells
4.09 · 118 ratings
aliens · exploration · fiction · female-mc · space-opera · space-travel · sci-fi · adult · book · space · action-adventure · violent-conflict · first-contact · invasion · audiobook · futuristic · military · female-author · technothriller · romance
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Tao
by Wesley Chu
3.84 · 81 ratings
audiobook · espionage · fiction · aliens · action-adventure · sci-fi · book · political-intrigue · crime · spirituality · humor · alternate-history · space-fleet · male-author · first-contact · military · violent-conflict · invasion · religion · urban-fantasy
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Linesman
by S.K. Dunstall
4.13 · 60 ratings
aliens · fiction · action-adventure · friendship · war · adult · space-fleet · violent-conflict · female-author · first-contact · military · space-opera · sci-fi · book · invasion · space · audiobook · exploration · futuristic · space-travel
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The Way
by Greg Bear
3.80 · 70 ratings
time-travel · action-adventure · fiction · adult · space-opera · sci-fi · post-apocalyptic · space · audiobook · aliens · hard-sci-fi · violent-conflict · military · classics · book · invasion · anthologies · literary · alternate-history · male-author
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Cosmos' Gateway
by S.E. Smith
4.17 · 138 ratings
romance · audiobook · contemporary · alpha-mc · fiction · aliens · sci-fi · invasion · book · paranormal · action-adventure · futuristic · military · first-contact · violent-conflict · space-fleet · adult · soldiers · steamy · alternate-history
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The Alliance
by S.E. Smith
4.12 · 120 ratings
aliens · fiction · romance · book · sci-fi · adult · paranormal · audiobook · post-apocalyptic · military · futuristic · action-adventure · dystopia · first-contact · violent-conflict · contemporary · invasion · space · steamy · space-travel
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Trade Pact Universe
by Julie E. Czerneda
3.94 · 44 ratings
adult · female-author · first-contact · space-opera · sci-fi · action-adventure · aliens · fiction · psychics · female-mc · space · paranormal · time-travel · anthologies · romance · invasion · violent-conflict · military · alpha-mc · dystopia
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Aurora Rising
by G.S. Jennsen
4.13 · 66 ratings
sci-fi · space-travel · space-opera · first-contact · military · fiction · action-adventure · galactic-empire · cyberpunk · colonization · space-fleet · violent-conflict · aliens · exploration · ai · space · romance · book · soldiers · adult
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Claimings
by Lyn Gala
4.17 · 63 ratings
aliens · fiction · age-gap · lgbtq · adult · sci-fi · mlm · romance · steamy · book · audiobook · paranormal · action-adventure · slow-burn · military · violent-conflict · space · friends-to-lovers · futuristic · female-author
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Dark World Mates
by Olivia Riley
3.97 · 60 ratings
aliens · fiction · adult · sci-fi · book · romance · action-adventure · female-mc · violent-conflict · first-contact · invasion · alpha-mc · slow-burn · military · space · suspense · paranormal · prison · monsters · space-opera
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The Lost Fleet: Outlands
by Jack Campbell
4.38 · 53 ratings
military · space · adult · space-fleet · violent-conflict · sci-fi · action-adventure · fiction · book · war · space-opera · audiobook · first-contact · male-author · cyberpunk · space-travel · aliens · invasion · time-travel · post-apocalyptic
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Children of a Dead Earth
by Patrick S. Tomlinson
3.86 · 28 ratings
invasion · adult · violent-conflict · space-opera · sci-fi · aliens · fiction · action-adventure · mystery · crime · dystopia · space · audiobook · colonization · book · space-fleet · first-contact · law-enforcement · military · space-travel
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The Revelations Cycle
by Chris Kennedy
4.30 · 102 ratings
galactic-empire · space · invasion · colonization · space-travel · soldiers · sci-fi · violent-conflict · adult · space-fleet · military · first-contact · aliens · exploration · fiction · literary-fiction · action-adventure · book · audiobook · space-opera
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Daedalus
by Michael J. Martinez
3.76 · 25 ratings
steampunk · space · invasion · time-travel · book · historical-fiction · historical · adult · violent-conflict · sci-fi · space-opera · alternate-history · aliens · exploration · fiction · action-adventure · industrial-era · audiobook · post-apocalyptic · first-contact
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The Resistance
by Nathan Hystad
4.33 · 24 ratings
space-opera · colonization · aliens · fiction · action-adventure · invasion · war · time-travel · book · audiobook · adult · violent-conflict · space · sci-fi · supernatural · first-contact · military · space-fleet · male-mc · soldiers
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Amaranthe
by G.S. Jennsen
4.32 · 122 ratings
cyberpunk · colonization · space-opera · sci-fi · violent-conflict · first-contact · military · aliens · fiction · galactic-empire · invasion · space-travel · space-fleet · exploration · action-adventure · space · adult · soldiers · book · genetic-engineering
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Asterion Noir
by G.S. Jennsen
4.39 · 18 ratings
cyberpunk · genetic-engineering · space · audiobook · galactic-empire · politics · suspense · colonization · book · technothriller · invasion · romance · space-fleet · adult · violent-conflict · first-contact · horror · military · space-travel · space-opera
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