Biotech Wars
by Justin Sloan
3.83 · 6 ratings
colonization · military · book · soldiers · sci-fi · adult · action-adventure · fiction · genetic-engineering · violent-conflict · audiobook
Biotech Wars: Similar series
Old Man's War
by John Scalzi
4.02 · 552 ratings
sci-fi · space-opera · fiction · space · audiobook · book · military · violent-conflict · adult · aliens · war · colonization · space-travel · action-adventure · humor · soldiers · exploration · genetic-engineering · galactic-empire · politics
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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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Extinction Wars
by Vaughn Heppner
4.07 · 72 ratings
book · invasion · aliens · exploration · fiction · action-adventure · colonization · galactic-empire · space-opera · space-travel · soldiers · sci-fi · adult · space-fleet · space · violent-conflict · first-contact · military · audiobook · war
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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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Lost Starship
by Vaughn Heppner
4.24 · 155 ratings
military · space-fleet · adult · genetic-engineering · violent-conflict · soldiers · galactic-empire · space-opera · colonization · aliens · fiction · action-adventure · invasion · book · space · sci-fi · audiobook · space-travel · exploration · ai
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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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Backyard Starship
by J.N. Chaney
4.57 · 202 ratings
fiction · book · military · violent-conflict · sci-fi · space · space-fleet · soldiers · space-opera · action-adventure · aliens · adult · galactic-empire · colonization · invasion · genetic-engineering · audiobook · pulp · young-adult · ai
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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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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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The Last Reaper
by J.N. Chaney
4.43 · 122 ratings
galactic-empire · colonization · invasion · book · military · adult · violent-conflict · soldiers · aliens · fiction · audiobook · cyberpunk · space · sci-fi · genetic-engineering · space-opera · action-adventure · war · first-contact · futuristic
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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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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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Starfighter Training Academy
by Grace Goodwin
4.22 · 41 ratings
fiction · action-adventure · sci-fi · military · adult · romance · book · paranormal · audiobook · genetic-engineering · war · aliens · first-contact · space-fleet · violent-conflict · invasion · steamy · colonization · space · suspense
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AI Fleet
by Isaac Hooke
4.04 · 24 ratings
violent-conflict · space · cyberpunk · audiobook · adult · military · first-contact · space-fleet · galactic-empire · space-opera · soldiers · sci-fi · aliens · fiction · colonization · supernatural · book · ai · action-adventure · war
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Carson Mach Adventures
by A.C. Hadfield
3.79 · 24 ratings
aliens · fiction · soldiers · sci-fi · space-opera · galactic-empire · audiobook · military · first-contact · genetic-engineering · space · space-fleet · adult · invasion · violent-conflict · futuristic · book · colonization · action-adventure · ai
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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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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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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 Eurynome Code
by K. Gorman
4.27 · 22 ratings
adult · book · space · fiction · sci-fi · space-opera · military · female-author · violent-conflict · first-contact · space-fleet · colonization · galactic-empire · audiobook · genetic-engineering · female-mc · action-adventure · aliens · soldiers · space-travel
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Astra Militarum
by Victoria Hayward
4.11 · 19 ratings
violent-conflict · military · adult · sci-fi · fiction · action-adventure · book · space · genetic-engineering · space-fleet · first-contact · audiobook · galactic-empire · soldiers · aliens · exploration · colonization · invasion · grim-dark · war
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