Cosmic Honor
by Jade Waltz
4.00 · 1 ratings
space · romance · reverse-harem · book · mlm · aliens · fiction · paranormal · sci-fi · soldiers · galactic-empire · first-contact · myths · military · adult · violent-conflict
Cosmic Honor: Similar series
Aurora Rising
by G.S. Jennsen
4.13 · 66 ratings
first-contact · military · sci-fi · space-opera · space-travel · fiction · action-adventure · cyberpunk · galactic-empire · colonization · book · space-fleet · violent-conflict · aliens · exploration · space · ai · romance · adult · soldiers
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Indian Hill
by Mark Tufo
4.49 · 102 ratings
violent-conflict · adult · first-contact · sci-fi · aliens · fiction · book · invasion · post-apocalyptic · space-fleet · military · space-travel · soldiers · action-adventure · exploration · space · audiobook · zombies · colonization · horror
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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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Mail-Order Brides of Crakair
by Ava Ross
4.19 · 82 ratings
action-adventure · humor · romance · book · sci-fi · adult · fiction · aliens · galactic-empire · audiobook · invasion · colonization · violent-conflict · dystopia · steamy · insta-love · first-contact · paranormal · new-adult · soldiers
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Shamans & Shifters Space Opera
by Jenny Schwartz
4.33 · 46 ratings
adult · romance · book · shapeshifters · paranormal · space · action-adventure · aliens · fiction · sci-fi · space-travel · space-opera · first-contact · futuristic · outlaws · magic · colonization · fae · galactic-empire · cyberpunk
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Outer Limits Quadrant
by Alexis B. Osborne
4.02 · 27 ratings
sci-fi · adult · military · monsters · action-adventure · fiction · aliens · paranormal · book · steamy · romance · space-travel · soldiers · dark · violent-conflict · first-contact · slow-burn · exploration · galactic-empire · genetic-engineering
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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
sci-fi · adult · polyamory · aliens · fiction · paranormal · book · reverse-harem · steamy · romance · space-opera · action-adventure · poc-mc · space · military · fated-mates · royalty · space-travel · dark · demons
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Starfighter Training Academy
by Grace Goodwin
4.22 · 41 ratings
book · romance · paranormal · genetic-engineering · audiobook · action-adventure · fiction · sci-fi · adult · military · steamy · invasion · colonization · war · aliens · violent-conflict · space-fleet · first-contact · suspense · space
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The Outback Stars
by Sandra McDonald
3.46 · 24 ratings
colonization · action-adventure · fiction · romance · book · military · myths · space · violent-conflict · space-fleet · soldiers · sci-fi · space-opera · aliens · exploration · war · adult · paranormal · young-adult · invasion
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Veredian Chronicles
by Regine Abel
4.35 · 64 ratings
fiction · adult · sci-fi · romance · book · paranormal · aliens · action-adventure · humor · military · new-adult · soldiers · steamy · genetic-engineering · colonization · futuristic · invasion · reverse-harem · psychics · female-author
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Aurora Renegades
by G.S. Jennsen
4.46 · 28 ratings
action-adventure · audiobook · cyberpunk · space · invasion · book · colonization · soldiers · sci-fi · space-opera · space-travel · first-contact · military · adult · space-fleet · violent-conflict · aliens · exploration · fiction · galactic-empire
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Amaranthe
by G.S. Jennsen
4.32 · 122 ratings
aliens · fiction · space-opera · sci-fi · violent-conflict · first-contact · military · colonization · cyberpunk · exploration · action-adventure · space-travel · space-fleet · invasion · galactic-empire · adult · space · soldiers · book · genetic-engineering
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Vrisha Warriors
by Olivia Riley
4.19 · 26 ratings
adult · romance · book · slow-burn · action-adventure · aliens · sci-fi · fiction · paranormal · first-contact · invasion · colonization · enemies-to-lovers · multi-pov · space · forced-proximity · monsters · exploration · soldiers · dark
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Universe on Fire
by Ivan Kal
4.29 · 21 ratings
military · violent-conflict · adult · magic · soldiers · space-opera · galactic-empire · fiction · book · first-contact · space-fleet · space-travel · aliens · exploration · invasion · litrpg · space · sci-fi · dragons · paranormal
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Alien Auction House
by Zara Zenia
3.73 · 15 ratings
military · sci-fi · book · aliens · fiction · poc-mc · adult · violent-conflict · invasion · romance · exploration · space-travel · paranormal · soldiers · space-fleet · genetic-engineering · space · first-contact · audiobook · alpha-mc
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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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Alpha Alien
by Flora Dare
3.37 · 19 ratings
romance · steamy · aliens · fiction · adult · sci-fi · book · contemporary · inter-galactic · paranormal · space · colonization · invasion · genetic-engineering · galactic-empire · action-adventure · humor · exploration · fated-mates · military
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Talonian Warriors
by Celeste Raye
4.19 · 16 ratings
space-fleet · invasion · violent-conflict · colonization · aliens · fiction · soldiers · galactic-empire · first-contact · military · cyberpunk · adult · genetic-engineering · book · shapeshifters · romance · action-adventure · paranormal · sci-fi · space
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Revant Warriors
by Celeste Raye
3.91 · 11 ratings
adult · aliens · fiction · genetic-engineering · cyberpunk · military · space-fleet · first-contact · space-travel · violent-conflict · galactic-empire · soldiers · sci-fi · action-adventure · exploration · colonization · book · invasion · paranormal · steamy
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Blue Planet Warriors
by Maia Starr
3.93 · 14 ratings
aliens · fiction · adult · sci-fi · colonization · invasion · romance · book · genetic-engineering · paranormal · galactic-empire · action-adventure · exploration · futuristic · military · first-contact · violent-conflict · space-fleet · soldiers · space-travel
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Galactic Alpha's Conquest
by Stella Cassy
3.92 · 13 ratings
book · sci-fi · paranormal · aliens · fiction · shapeshifters · adult · space-fleet · military · first-contact · invasion · violent-conflict · galactic-empire · poc-mc · space-travel · space · romance · dragons · fantasy · action-adventure
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Astral Heat
by Laura Navarre
4.50 · 8 ratings
fiction · sci-fi · lgbtq · adult · space · galactic-empire · reverse-harem · steamy · anthologies · romance · paranormal · aliens · fantasy · action-adventure · humor · space-fleet · military · polyamory · space-opera · supernatural
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Black Library Celebration 2020
by Miles A. Drake
4.00 · 8 ratings
fiction · adult · book · fantasy · military · scandinavia · invasion · supernatural · galactic-empire · colonization · dystopia · genetic-engineering · space · myths · europe · high-fantasy · exploration · aliens · medieval · retellings
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