Centauri Bliss
by Skyler Grant
4.13 · 8 ratings
galactic-empire · space-opera · sci-fi · adult · genetic-engineering · space · audiobook · polyamory · book · steamy · aliens · action-adventure · fiction · harem
Centauri Bliss: Similar series
The Human Division
by John Scalzi
4.07 · 243 ratings
adult · violent-conflict · military · space-opera · space-travel · sci-fi · fiction · aliens · space · soldiers · humor · action-adventure · exploration · war · genetic-engineering · audiobook · galactic-empire · colonization · book · first-contact
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Chaos of the Covenant
by M.R. Forbes
4.35 · 109 ratings
invasion · book · angels · audiobook · genetic-engineering · space · female-mc · fiction · aliens · sci-fi · space-opera · military · adult · violent-conflict · soldiers · heroic-fantasy · action-adventure · space-fleet · galactic-empire · demons
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Cyborgs: More Than Machines
by Eve Langlais
4.00 · 118 ratings
romance · adult · military · sci-fi · aliens · fiction · action-adventure · cyborgs · genetic-engineering · paranormal · steamy · humor · futuristic · book · soldiers · space · suspense · cyberpunk · abuse · violent-conflict
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Kurtherian Gambit Universe
by Michael Anderle
4.48 · 1998 ratings
fiction · book · genetic-engineering · action-adventure · audiobook · sci-fi · violent-conflict · aliens · urban-fantasy · paranormal · military · space · adult · space-opera · galactic-empire · shapeshifters · first-contact · vampires · young-adult · invasion
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Aurora Rising
by G.S. Jennsen
4.13 · 66 ratings
sci-fi · space-travel · space-opera · military · first-contact · action-adventure · fiction · galactic-empire · cyberpunk · colonization · violent-conflict · space-fleet · aliens · exploration · ai · space · romance · book · soldiers · adult
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Indian Hill
by Mark Tufo
4.49 · 102 ratings
sci-fi · first-contact · adult · violent-conflict · aliens · fiction · post-apocalyptic · invasion · book · soldiers · military · space-travel · space-fleet · exploration · action-adventure · zombies · audiobook · space · colonization · space-opera
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Antecedents' Legacy
by Daniel Schinhofen
4.67 · 36 ratings
action-adventure · fiction · aliens · sci-fi · soldiers · space-opera · military · violent-conflict · adult · steamy · book · harem · litrpg · space · romantic-love · space-fleet · vampires · fae · galactic-empire · audiobook
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Dark Space
by Jasper T. Scott
3.84 · 82 ratings
invasion · space-fleet · book · galactic-empire · audiobook · space · fiction · aliens · sci-fi · space-opera · military · violent-conflict · adult · historical · supernatural · genetic-engineering · dystopia · cyberpunk · steampunk · industrial-era
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AL:ICE
by Charles W. Lamb
4.13 · 46 ratings
aliens · fiction · soldiers · space-opera · sci-fi · audiobook · military · first-contact · litrpg · space · violent-conflict · dystopia · invasion · adult · book · apocalyptic · time-travel · harem · action-adventure · paranormal
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The Last Hunter
by J.N. Chaney
4.44 · 127 ratings
book · invasion · aliens · fiction · colonization · galactic-empire · space-opera · soldiers · sci-fi · adult · space-fleet · space · genetic-engineering · violent-conflict · military · first-contact · action-adventure · audiobook · exploration · space-travel
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Slip Runner
by J.N. Chaney
4.38 · 52 ratings
military · space-fleet · adult · violent-conflict · space · soldiers · galactic-empire · sci-fi · colonization · aliens · action-adventure · fiction · invasion · book · audiobook · genetic-engineering · space-opera · pulp · first-contact
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Invaders
by Vaughn Heppner
4.13 · 30 ratings
colonization · galactic-empire · action-adventure · aliens · exploration · fiction · invasion · book · drama · military · audiobook · space · genetic-engineering · adult · space-fleet · soldiers · violent-conflict · sci-fi · space-opera · space-travel
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Aurora Rhapsody
by G.S. Jennsen
4.27 · 113 ratings
space-opera · space-travel · sci-fi · military · fiction · action-adventure · cyberpunk · colonization · space-fleet · violent-conflict · first-contact · exploration · galactic-empire · space · adult · aliens · book · soldiers · ai · invasion
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Telepathic Space Pirates
by Carysa Locke
4.04 · 38 ratings
genetic-engineering · space · galactic-empire · romance · reverse-harem · book · polyamory · military · adult · space-fleet · sci-fi · space-opera · aliens · fiction · action-adventure · paranormal · magic · outlaws · psychics · audiobook
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Space Gypsy Chronicles
by Eve Langlais
3.76 · 30 ratings
romance · book · paranormal · audiobook · futuristic · aliens · exploration · fiction · humor · action-adventure · sci-fi · space-opera · space-travel · first-contact · adult · steamy · galactic-empire · cyberpunk · space · genetic-engineering
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Dawn of Fire
by Guy Haley
3.97 · 37 ratings
space · exploration · fiction · soldiers · sci-fi · military · space-fleet · adult · violent-conflict · book · genetic-engineering · grim-dark · aliens · action-adventure · first-contact · invasion · colonization · galactic-empire · space-opera · audiobook
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The Adventures Of Blue Faust
by Cecilia Randell
4.15 · 46 ratings
reverse-harem · book · romance · aliens · fiction · polyamory · steamy · paranormal · space · magic · action-adventure · young-adult · harem · audiobook · exploration · fantasy · space-travel · slow-burn · sci-fi · adult
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Anniversary Day Saga
by Kristine Kathryn Rusch
3.98 · 52 ratings
action-adventure · mystery · aliens · fiction · book · crime · audiobook · space · adult · sci-fi · space-opera · colonization · exploration · first-contact · genetic-engineering · space-travel · galactic-empire · female-author · noir · investigator
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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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Project: Adapt
by Jade Waltz
4.14 · 29 ratings
adult · polyamory · space-opera · sci-fi · aliens · fiction · royalty · book · reverse-harem · romance · fated-mates · genetic-engineering · paranormal · poc-mc · female-mc · action-adventure · colonization · first-contact · assassins · epic
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The Eurynome Code
by K. Gorman
4.27 · 22 ratings
space · book · military · female-author · violent-conflict · first-contact · space-fleet · adult · sci-fi · space-opera · fiction · audiobook · genetic-engineering · galactic-empire · colonization · soldiers · space-travel · female-mc · action-adventure · aliens
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Angel 6.0
by Travis Luedke
3.84 · 25 ratings
space-opera · romance · book · steamy · space · paranormal · aliens · fiction · futuristic · adult · dark · sci-fi · cyberpunk · genetic-engineering · galactic-empire · kidnapping · captivity · audiobook · alpha-mc · action-adventure
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Prison World
by Julie K. Cohen
4.00 · 24 ratings
sci-fi · adult · fiction · romance · book · reverse-harem · dark · space-travel · space-opera · polyamory · female-mc · alternate-history · action-adventure · humor · suspense · steamy · new-adult · military · aliens · paranormal
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The Lost Fleet
by Sarah Hawke
4.44 · 9 ratings
fiction · space-opera · galactic-empire · military · space-fleet · adult · book · steamy · action-adventure · sci-fi · audiobook · polyamory · male-mc · harem · aliens · violent-conflict · romance · dark · law-enforcement · war
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