Guild Wars
by Chris Kennedy
4.50 · 6 ratings
colonization · galactic-empire · action-adventure · aliens · exploration · fiction · invasion · literary-fiction · book · military · first-contact · space · violent-conflict · adult · space-fleet · soldiers · sci-fi · space-travel
Guild Wars: Similar series
Legacy Fleet Trilogy
by Nick Webb
4.10 · 89 ratings
action-adventure · supernatural · soldiers · sci-fi · galactic-empire · space-opera · first-contact · space-travel · military · audiobook · adult · space-fleet · space · violent-conflict · invasion · war · book · technothriller · colonization · exploration
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Undying Mercenaries
by B.V. Larson
4.28 · 383 ratings
space-opera · colonization · invasion · book · audiobook · space · galactic-empire · aliens · fiction · war · military · space-fleet · adult · violent-conflict · soldiers · sci-fi · first-contact · space-travel · hard-sci-fi · exploration
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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 · 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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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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Drop Trooper
by Rick Partlow
4.38 · 152 ratings
book · invasion · aliens · fiction · colonization · galactic-empire · soldiers · adult · space-fleet · violent-conflict · military · exploration · action-adventure · space-travel · sci-fi · space · space-opera · first-contact · war · audiobook
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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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Crimson Worlds Refugees
by Jay Allan
4.29 · 60 ratings
exploration · fiction · soldiers · galactic-empire · sci-fi · space-travel · space-opera · first-contact · audiobook · military · space-fleet · adult · violent-conflict · space · invasion · book · colonization · aliens · action-adventure · war
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Crimson Worlds
by Jay Allan
4.11 · 172 ratings
fiction · war · military · violent-conflict · adult · sci-fi · book · space · space-opera · soldiers · aliens · audiobook · first-contact · space-fleet · galactic-empire · action-adventure · invasion · exploration · space-travel · colonization
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Earthrise
by Daniel Arenson
4.01 · 136 ratings
aliens · exploration · fiction · military · adult · space-fleet · violent-conflict · soldiers · sci-fi · space-opera · space-travel · colonization · invasion · book · space · galactic-empire · first-contact · audiobook · action-adventure · dystopia
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The Last War
by Peter Bostrom
4.09 · 34 ratings
exploration · fiction · soldiers · galactic-empire · sci-fi · space-travel · space-opera · first-contact · military · space-fleet · adult · genetic-engineering · space · violent-conflict · invasion · book · technothriller · colonization · aliens · action-adventure
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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 Revelations Cycle
by Chris Kennedy
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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The Theogony
by Chris Kennedy
3.95 · 27 ratings
fiction · soldiers · aliens · sci-fi · space-opera · space-travel · galactic-empire · military · audiobook · space · violent-conflict · adult · space-fleet · invasion · literary-fiction · book · war · colonization · exploration · first-contact
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Four Horsemen Universe
by Jason Córdova
4.37 · 186 ratings
aliens · exploration · fiction · space-travel · soldiers · sci-fi · adult · space-fleet · violent-conflict · first-contact · military · invasion · colonization · galactic-empire · space · action-adventure · literary-fiction · book · space-opera · audiobook
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The Ixan Universe
by Scott Bartlett
3.94 · 54 ratings
violent-conflict · book · galactic-empire · audiobook · space · fiction · sci-fi · soldiers · space-opera · military · adult · space-fleet · invasion · colonization · hard-sci-fi · aliens · first-contact · supernatural · action-adventure · space-travel
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Prince of Britannia Saga
by Fred Hughes
4.43 · 23 ratings
book · invasion · aliens · fiction · galactic-empire · sci-fi · space · violent-conflict · adult · space-fleet · military · literary-fiction · action-adventure · colonization · exploration · space-opera · space-travel · soldiers · first-contact · progression-fantasy
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Omega War
by Jason Córdova
4.45 · 80 ratings
literary-fiction · book · invasion · aliens · exploration · fiction · action-adventure · colonization · galactic-empire · space-travel · soldiers · sci-fi · adult · space-fleet · space · violent-conflict · first-contact · military · space-opera · audiobook
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War Wolves
by Jonathan Yanez
4.20 · 20 ratings
colonization · aliens · exploration · fiction · invasion · book · military · first-contact · violent-conflict · space · space-fleet · adult · soldiers · sci-fi · space-travel · space-opera · action-adventure · galactic-empire · supernatural · audiobook
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Lunar Free State
by John E. Siers
4.40 · 15 ratings
galactic-empire · space-opera · space-travel · soldiers · sci-fi · space-fleet · space · violent-conflict · first-contact · military · literary-fiction · book · invasion · aliens · exploration · fiction · action-adventure · colonization · adult · war
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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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Jim Cartwright at Large
by Mark Wandrey
4.45 · 11 ratings
space-fleet · adult · violent-conflict · space · first-contact · military · galactic-empire · space-travel · soldiers · sci-fi · aliens · action-adventure · exploration · fiction · colonization · book · literary-fiction · invasion · horror · apocalyptic
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Codex Regius
by Chris Kennedy
4.10 · 10 ratings
space-fleet · invasion · literary-fiction · book · colonization · action-adventure · aliens · exploration · soldiers · fiction · sci-fi · space-travel · galactic-empire · military · first-contact · space · violent-conflict · adult · war · space-opera
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Lost on the Last Continent
by John C. Wright
4.00 · 4 ratings
violent-conflict · military · invasion · adult · space · literary-fiction · aliens · exploration · fiction · action-adventure · space-travel · colonization · soldiers · galactic-empire · first-contact · book · space-fleet · time-travel · male-author · sci-fi
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