Spi-Corp
by Margaret Taylor
4.00 · 2 ratings
book · first-contact · military · adult · aliens · exploration · action-adventure · fiction · paranormal · space-fleet · sci-fi · romance · space-opera
Spi-Corp: Similar series
Aldebarian Alliance
by Dianne Duvall
4.37 · 89 ratings
romance · book · vampires · paranormal · audiobook · alpha-mc · female-mc · action-adventure · aliens · fiction · sci-fi · adult · space · humor · military · first-contact · steamy · urban-fantasy · suspense · contemporary
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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 Adventures of a Xeno-Archaeologist
by Jenny Schwartz
4.33 · 84 ratings
adult · first-contact · military · space-opera · sci-fi · action-adventure · aliens · fiction · futuristic · space · ai · supernatural · exploration · super-powered · cyberpunk · galactic-empire · book · romance · space-fleet · space-travel
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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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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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Shamans & Shifters Space Opera
by Jenny Schwartz
4.33 · 46 ratings
romance · shapeshifters · book · paranormal · space · aliens · fiction · action-adventure · sci-fi · space-travel · space-opera · first-contact · adult · futuristic · outlaws · space-fleet · magic · fae · colonization · galactic-empire
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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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The Ravager Chronicles
by Sara Page
3.86 · 42 ratings
polyamory · steamy · adult · sci-fi · aliens · fiction · paranormal · romance · book · reverse-harem · space-opera · poc-mc · action-adventure · space · military · fated-mates · royalty · first-contact · violent-conflict · space-fleet
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The Outback Stars
by Sandra McDonald
3.46 · 24 ratings
book · romance · action-adventure · fiction · colonization · space-opera · soldiers · sci-fi · space · violent-conflict · space-fleet · military · myths · war · aliens · exploration · paranormal · adult · time-travel · invasion
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Aurora Renegades
by G.S. Jennsen
4.46 · 28 ratings
action-adventure · aliens · exploration · fiction · military · first-contact · violent-conflict · space-fleet · adult · soldiers · sci-fi · space-travel · space-opera · colonization · invasion · book · audiobook · space · cyberpunk · utopia
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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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Grimm's War
by Jeffery H. Haskell
4.52 · 27 ratings
space-travel · soldiers · violent-conflict · adult · space-fleet · military · first-contact · book · action-adventure · fiction · space-opera · exploration · galactic-empire · sci-fi · space · hard-sci-fi · invasion · aliens · colonization · audiobook
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Mates of the Kilgari
by Celia Kyle
4.05 · 37 ratings
space-travel · soldiers · space-fleet · adult · sci-fi · first-contact · military · aliens · action-adventure · exploration · fiction · galactic-empire · genetic-engineering · book · humor · audiobook · romance · paranormal · futuristic · comedy
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Universe on Fire
by Ivan Kal
4.29 · 21 ratings
fiction · soldiers · galactic-empire · space-opera · military · magic · adult · violent-conflict · book · space-travel · first-contact · space-fleet · invasion · aliens · exploration · action-adventure · paranormal · sci-fi · dragons · litrpg
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Alien Abduction
by Zara Zenia
3.57 · 14 ratings
exploration · fiction · audiobook · genetic-engineering · invasion · romance · book · soldiers · sci-fi · space-travel · military · first-contact · violent-conflict · space-fleet · poc-mc · action-adventure · aliens · paranormal · adult · contemporary
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Star Warrior
by C.F. Harris
3.88 · 16 ratings
aliens · fiction · humor · action-adventure · sci-fi · book · adult · romance · military · exploration · soldiers · invasion · space-fleet · violent-conflict · first-contact · galactic-empire · space-travel · new-adult · futuristic · paranormal
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Sons of Lyra
by Felicity Heaton
3.85 · 20 ratings
space-opera · paranormal · sci-fi · space-fleet · adult · military · romance · action-adventure · aliens · fiction · space-travel · galactic-empire · soldiers · book · exploration · supernatural · futuristic · box-set · steamy · anthologies
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Alpha Alien
by Flora Dare
3.37 · 19 ratings
fiction · romance · steamy · sci-fi · adult · aliens · paranormal · contemporary · inter-galactic · book · space · humor · galactic-empire · exploration · genetic-engineering · invasion · colonization · soldiers · space-travel · first-contact
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Alien Pirates of Cania
by Zara Zenia
4.00 · 11 ratings
fiction · omegaverse · aliens · book · invasion · adult · violent-conflict · first-contact · sci-fi · action-adventure · exploration · space-fleet · romance · military · space-travel · paranormal · female-mc · gothic · space
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Daughters of Lyra
by Felicity Heaton
4.00 · 18 ratings
space-opera · sci-fi · adult · romance · action-adventure · fiction · space-travel · galactic-empire · paranormal · space-fleet · military · book · aliens · supernatural · exploration · vampires · soldiers · steamy · futuristic · box-set
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Star Crusades Mercenaries
by Michael G. Thomas
3.92 · 12 ratings
galactic-empire · space-travel · space-opera · soldiers · space-fleet · adult · violent-conflict · space · sci-fi · first-contact · military · book · invasion · aliens · action-adventure · exploration · fiction · super-powered
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Revant Warriors
by Celeste Raye
3.91 · 11 ratings
fiction · adult · aliens · exploration · soldiers · sci-fi · space-travel · galactic-empire · military · first-contact · genetic-engineering · cyberpunk · invasion · space-fleet · violent-conflict · book · colonization · action-adventure · paranormal · romance
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Blue Planet Warriors
by Maia Starr
3.93 · 14 ratings
aliens · fiction · adult · sci-fi · exploration · action-adventure · futuristic · space-fleet · violent-conflict · first-contact · military · space-travel · soldiers · colonization · book · invasion · romance · genetic-engineering · galactic-empire · paranormal
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