Syndicate Wars
by George S. Mahaffey Jr.
3.88 · 8 ratings
military · first-contact · litrpg · space · violent-conflict · soldiers · sci-fi · space-travel · space-opera · action-adventure · young-adult · aliens · invasion · exploration · fiction · book
Syndicate Wars: Similar series
Undying Mercenaries
by B.V. Larson
4.28 · 383 ratings
war · aliens · soldiers · fiction · sci-fi · space-opera · military · violent-conflict · space-fleet · adult · invasion · book · colonization · galactic-empire · audiobook · space · first-contact · space-travel · hard-sci-fi · exploration
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Duchy of Terra Universe
by Glynn Stewart
4.41 · 170 ratings
military · war · book · invasion · aliens · exploration · action-adventure · fiction · galactic-empire · space-travel · space-opera · soldiers · space-fleet · adult · violent-conflict · space · sci-fi · first-contact · audiobook · female-mc
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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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Ascension Wars
by Jasper T. Scott
3.86 · 58 ratings
industrial-era · genetic-engineering · space · galactic-empire · colonization · supernatural · invasion · post-apocalyptic · book · military · first-contact · violent-conflict · historical · adult · space-fleet · soldiers · sci-fi · space-travel · exploration · fiction
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Extinction Wars
by Vaughn Heppner
4.07 · 72 ratings
book · first-contact · invasion · action-adventure · aliens · exploration · colonization · fiction · space-opera · galactic-empire · space-travel · soldiers · sci-fi · violent-conflict · space · space-fleet · adult · military · audiobook · war
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Blood on the Stars
by Jay Allan
4.33 · 243 ratings
fiction · aliens · exploration · first-contact · military · space-fleet · adult · violent-conflict · soldiers · sci-fi · space-travel · space-opera · invasion · book · space · galactic-empire · colonization · war · audiobook · action-adventure
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Shadow of Terra
by Glynn Stewart
4.41 · 41 ratings
first-contact · audiobook · military · space-fleet · adult · violent-conflict · space · soldiers · galactic-empire · sci-fi · space-travel · space-opera · aliens · exploration · action-adventure · fiction · invasion · war · book
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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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Portal Wars
by Jay Allan
3.99 · 38 ratings
soldiers · exploration · fiction · action-adventure · aliens · sci-fi · colonization · war · book · invasion · space-fleet · adult · dystopia · space · violent-conflict · first-contact · audiobook · military · galactic-empire · space-travel
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Dark Space
by Jasper T. Scott
3.84 · 82 ratings
invasion · space-fleet · book · galactic-empire · audiobook · space · fiction · aliens · sci-fi · space-opera · military · violent-conflict · adult · historical · supernatural · genetic-engineering · dystopia · cyberpunk · steampunk · industrial-era
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Crimson Worlds
by Jay Allan
4.11 · 172 ratings
fiction · war · violent-conflict · adult · military · sci-fi · book · space · space-opera · soldiers · aliens · space-fleet · audiobook · first-contact · galactic-empire · action-adventure · exploration · invasion · space-travel · colonization
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The Salvage Title Trilogy
by Kevin Steverson
4.31 · 33 ratings
space · invasion · war · book · literary-fiction · colonization · aliens · action-adventure · exploration · fiction · soldiers · galactic-empire · sci-fi · ai · space-opera · space-travel · first-contact · military · space-fleet · adult
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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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The Interstellar Age
by Valmore Daniels
3.77 · 26 ratings
fiction · action-adventure · young-adult · sci-fi · galactic-empire · space-travel · space-opera · first-contact · military · space-fleet · violent-conflict · space · invasion · book · aliens · exploration · audiobook
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Valerie’s Elites
by Justin Sloan
4.51 · 31 ratings
action-adventure · soldiers · sci-fi · galactic-empire · space-travel · first-contact · military · audiobook · space-fleet · space · genetic-engineering · violent-conflict · invasion · book · colonization · aliens · exploration · fiction · young-adult · shapeshifters
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The Ixan Universe
by Scott Bartlett
3.94 · 54 ratings
fiction · soldiers · sci-fi · space-opera · military · adult · space-fleet · violent-conflict · book · galactic-empire · audiobook · space · hard-sci-fi · aliens · first-contact · invasion · colonization · action-adventure · space-travel · supernatural
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Rise of the Empire
by Ivan Kal
4.37 · 91 ratings
aliens · fiction · book · space · adult · space-fleet · military · violent-conflict · litrpg · space-opera · sci-fi · colonization · genetic-engineering · space-travel · war · invasion · galactic-empire · royalty · action-adventure · first-contact
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Shadow Vanguard
by Tom Dublin
4.53 · 27 ratings
book · action-adventure · exploration · fiction · humor · space-opera · space-travel · satire · soldiers · genetic-engineering · violent-conflict · military · first-contact · aliens · young-adult · sci-fi · space · fantasy · adult
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A.I. Destiny
by Timothy Ellis
4.25 · 40 ratings
sci-fi · young-adult · supernatural · book · space · cyberpunk · coming-of-age · galactic-empire · exploration · fiction · violent-conflict · space-fleet · military · first-contact · space-travel · space-opera · soldiers · epic · colonization · invasion
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War Wolves
by Jonathan Yanez
4.20 · 20 ratings
space-fleet · invasion · book · colonization · aliens · exploration · fiction · soldiers · sci-fi · space-opera · space-travel · military · first-contact · space · violent-conflict · adult · action-adventure · galactic-empire · genetic-engineering · supernatural
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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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Lunar Free State
by John E. Siers
4.40 · 15 ratings
literary-fiction · book · invasion · aliens · exploration · fiction · action-adventure · colonization · galactic-empire · space-opera · space-travel · soldiers · sci-fi · space-fleet · space · violent-conflict · first-contact · military · war · adult
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The Crimson Deathbringer Trilogy
by Sean Robins
4.23 · 13 ratings
space-opera · soldiers · sci-fi · violent-conflict · space · military · time-travel · book · invasion · fiction · aliens · action-adventure · young-adult · space-travel · space-fleet · first-contact · exploration · galactic-empire · historical · audiobook
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Lone Wolf Squadron
by Jamie Davis
4.83 · 6 ratings
book · fiction · galactic-empire · space-opera · space-travel · soldiers · space-fleet · space · genetic-engineering · violent-conflict · military · invasion · aliens · exploration · young-adult · supernatural · sci-fi · first-contact · action-adventure · adult
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