Enemy of my Enemy
by Tim Marquitz
4.33 · 6 ratings
space-travel · soldiers · sci-fi · violent-conflict · space · space-fleet · adult · military · first-contact · book · invasion · aliens · exploration · fiction
Enemy of my Enemy: Similar series
The Light of Terra
by Glynn Stewart
4.43 · 64 ratings
space-opera · aliens · action-adventure · exploration · fiction · invasion · war · book · first-contact · audiobook · military · space-fleet · adult · violent-conflict · space · soldiers · galactic-empire · sci-fi · space-travel · suspense
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Rebel Fleet
by B.V. Larson
4.17 · 83 ratings
colonization · action-adventure · aliens · invasion · exploration · fiction · hard-sci-fi · book · war · audiobook · military · first-contact · violent-conflict · space · space-fleet · adult · soldiers · sci-fi · space-travel · space-opera
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Phule's Company
by Robert Lynn Asprin
3.84 · 124 ratings
comedy · space-travel · space-opera · soldiers · sci-fi · violent-conflict · military · war · humor · fiction · exploration · space · audiobook · book · adult · space-fleet · first-contact · aliens · invasion · colonization
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Legacy Fleet
by Nick Webb
4.16 · 149 ratings
space-travel · colonization · supernatural · aliens · exploration · fiction · invasion · book · first-contact · military · adult · space-fleet · space · violent-conflict · soldiers · sci-fi · galactic-empire · space-opera · technothriller · action-adventure
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Legacy Ship Trilogy
by Nick Webb
4.23 · 44 ratings
book · first-contact · technothriller · invasion · action-adventure · aliens · exploration · fiction · colonization · supernatural · space-travel · space-opera · galactic-empire · soldiers · sci-fi · violent-conflict · space · space-fleet · adult · audiobook
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The A.I.
by Vaughn Heppner
4.33 · 117 ratings
military · first-contact · violent-conflict · space · space-fleet · adult · soldiers · sci-fi · ai · space-opera · galactic-empire · space-travel · colonization · action-adventure · aliens · exploration · fiction · invasion · book · dystopia
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Alien War
by Isaac Hooke
4.02 · 31 ratings
space · space-fleet · violent-conflict · book · colonization · action-adventure · exploration · fiction · soldiers · galactic-empire · sci-fi · space-travel · space-opera · first-contact · military · cyberpunk · adult · invasion · aliens · cyborgs
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The Siege of Terra
by Dan Abnett
4.18 · 116 ratings
space · audiobook · violent-conflict · adult · military · sci-fi · action-adventure · exploration · fiction · genetic-engineering · book · space-fleet · space-opera · soldiers · grim-dark · galactic-empire · colonization · invasion · first-contact · aliens
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Battle Harem
by Isaac Hooke
4.00 · 28 ratings
violent-conflict · space · cyberpunk · adult · space-fleet · military · first-contact · space-travel · space-opera · soldiers · sci-fi · action-adventure · aliens · exploration · colonization · fiction · harem · book · invasion · humor
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The Originator Wars
by Raymond L. Weil
4.43 · 28 ratings
space-opera · galactic-empire · space-travel · soldiers · sci-fi · space · space-fleet · adult · audiobook · military · violent-conflict · first-contact · book · invasion · aliens · exploration · fiction · colonization · ai · male-author
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The Revelations Cycle
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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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Shamans & Shifters Space Opera
by Jenny Schwartz
4.33 · 46 ratings
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The Ixan Prophecies
by Scott Bartlett
4.00 · 36 ratings
aliens · exploration · fiction · soldiers · sci-fi · space-opera · galactic-empire · audiobook · military · first-contact · space · space-fleet · adult · invasion · violent-conflict · book · colonization · space-travel · hard-sci-fi · war
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The Pax Humana Saga
by Endi Webb
3.97 · 34 ratings
fiction · sci-fi · aliens · military · violent-conflict · space-fleet · adult · soldiers · space-opera · colonization · book · space · galactic-empire · genetic-engineering · action-adventure · exploration · first-contact · space-travel · supernatural · invasion
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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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The Alliance Trilogy
by Michael Wallace
4.15 · 20 ratings
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Eternal Frontier
by Anthony J. Melchiorri
4.18 · 33 ratings
soldiers · fiction · action-adventure · exploration · sci-fi · book · adult · genetic-engineering · space · violent-conflict · first-contact · audiobook · military · space-travel · space-opera · aliens · war · colonization · mystery · invasion
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AMP
by Stephen Arseneault
4.04 · 48 ratings
space-travel · galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · exploration · fiction · colonization · soldiers · first-contact · invasion · futuristic · aliens · space-opera
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OMEGA
by Stephen Arseneault
4.08 · 36 ratings
galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · aliens · fiction · space-travel · soldiers · first-contact · invasion · futuristic · exploration · colonization · space-opera
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Alien Auction House
by Zara Zenia
3.73 · 15 ratings
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The Shadow Order
by Michael Robertson
3.95 · 39 ratings
violent-conflict · space · military · space-opera · sci-fi · aliens · fiction · book · invasion · adult · soldiers · galactic-empire · space-fleet · first-contact · space-travel · exploration · action-adventure · colonization · super-powered · disaster
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SODIUM
by Stephen Arseneault
3.90 · 21 ratings
book · adult · sci-fi · fiction · genetic-engineering · space · galactic-empire · invasion · post-apocalyptic · military · first-contact · violent-conflict · space-fleet · aliens · colonization · soldiers · space-travel · exploration · space-opera · action-adventure
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Hadron
by Stephen Arseneault
4.25 · 16 ratings
space-fleet · post-apocalyptic · invasion · violent-conflict · book · colonization · aliens · exploration · fiction · soldiers · sci-fi · space-travel · galactic-empire · military · first-contact · space · genetic-engineering · adult · hard-sci-fi · space-opera
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The Black Library Novella Series 3
by David Guymer
3.75 · 4 ratings
book · supernatural · fiction · genetic-engineering · adult · dystopia · invasion · space-fleet · violent-conflict · colonization · aliens · exploration · soldiers · sci-fi · space-travel · galactic-empire · military · first-contact · space · historical
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