Biowarriors
by Robert E. Vardeman
3.00 · 2 ratings
military · book · space-opera · sci-fi · adult · fiction · genetic-engineering · space · violent-conflict · children · space-travel · space-fleet · exploration
Biowarriors: Similar series
Lost Colonies Trilogy
by B.V. Larson
4.05 · 53 ratings
book · first-contact · violent-conflict · hard-sci-fi · invasion · war · action-adventure · aliens · exploration · fiction · colonization · space-travel · space-opera · galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · audiobook
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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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Age of Expansion: The Ascension Myth
by Ell Leigh Clarke
4.46 · 150 ratings
book · colonization · supernatural · aliens · fiction · sci-fi · space-opera · galactic-empire · audiobook · space · military · violent-conflict · invasion · space-travel · genetic-engineering · adult · space-fleet · exploration · soldiers · action-adventure
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Merkiaari Wars
by Mark E. Cooper
4.05 · 72 ratings
galactic-empire · space-travel · space-opera · soldiers · space-fleet · adult · genetic-engineering · space · violent-conflict · first-contact · audiobook · military · war · sci-fi · book · invasion · aliens · exploration · fiction · action-adventure
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Cade Korbin Chronicles
by Jasper T. Scott
4.35 · 35 ratings
soldiers · sci-fi · space-travel · first-contact · military · historical · adult · space-fleet · violent-conflict · industrial-era · steampunk · aliens · exploration · fiction · galactic-empire · cyberpunk · genetic-engineering · space · invasion · book
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Void Wraith
by Chris Fox
4.20 · 81 ratings
exploration · fiction · audiobook · space · book · soldiers · sci-fi · space-opera · space-travel · military · violent-conflict · adult · space-fleet · action-adventure · aliens · galactic-empire · cyborgs · invasion · genetic-engineering · war
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The Terran Fleet Command Saga
by Tori L. Harris
4.29 · 69 ratings
aliens · exploration · colonization · fiction · book · technothriller · invasion · post-apocalyptic · genetic-engineering · space · space-fleet · adult · audiobook · military · violent-conflict · first-contact · space-travel · space-opera · galactic-empire · soldiers
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Barsk
by Lawrence M. Schoen
3.92 · 31 ratings
space · adult · space-opera · sci-fi · fiction · book · animals · audiobook · military · 21st-century · space-fleet · space-travel · violent-conflict · genetic-engineering · aliens · exploration · male-author · far-future · dystopia · coming-of-age
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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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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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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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Broken Worlds
by Jasper T. Scott
4.05 · 22 ratings
galactic-empire · cyberpunk · dystopia · genetic-engineering · space · invasion · soldiers · historical · adult · space-fleet · violent-conflict · sci-fi · first-contact · military · industrial-era · steampunk · aliens · fiction · book · supernatural
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The Ghost Squadron
by Sarah Noffke
4.44 · 50 ratings
space · space-fleet · violent-conflict · book · aliens · fiction · soldiers · galactic-empire · sci-fi · space-opera · first-contact · audiobook · military · adult · genetic-engineering · action-adventure · cyberpunk · exploration · space-travel · colonization
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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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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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Legacy War
by John Walker
4.24 · 34 ratings
aliens · exploration · fiction · colonization · book · invasion · genetic-engineering · space · space-fleet · adult · violent-conflict · military · first-contact · space-travel · space-opera · galactic-empire · sci-fi · audiobook
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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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Perilous Alliance
by Chris J. Pike
4.40 · 40 ratings
space-opera · sci-fi · adult · cyberpunk · space-fleet · violent-conflict · space · genetic-engineering · military · book · fiction · galactic-empire · space-travel · lgbtq · exploration · audiobook · soldiers · hard-sci-fi · action-adventure · female-mc
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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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The Movement Trilogy
by Jason Gurley
3.67 · 25 ratings
adult · book · fiction · sci-fi · post-apocalyptic · aliens · dystopia · invasion · futuristic · cyberpunk · apocalyptic · space-fleet · colonization · supernatural · violent-conflict · exploration · soldiers · space-opera · space-travel · galactic-empire
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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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Lone Wolf Squadron
by Jamie Davis
4.70 · 23 ratings
galactic-empire · humor · aliens · exploration · fiction · invasion · book · military · first-contact · space · genetic-engineering · violent-conflict · space-fleet · soldiers · sci-fi · space-travel · adult · supernatural · space-opera · young-adult
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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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Riven Worlds
by G.S. Jennsen
4.70 · 10 ratings
sci-fi · soldiers · space-opera · space-travel · first-contact · military · adult · space-fleet · violent-conflict · aliens · exploration · fiction · action-adventure · galactic-empire · cyberpunk · space · genetic-engineering · invasion · book · technothriller
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