The United Federation Marine Corps
by Jonathan P. Brazee
4.22 · 74 ratings
war · book · fiction · sci-fi · military · adult · violent-conflict · space · soldiers · space-fleet · colonization · galactic-empire · space-opera · invasion · aliens · first-contact
The United Federation Marine Corps: Similar series
Poor Man's Fight
by Elliott Kay
4.21 · 128 ratings
book · military · audiobook · adult · space · violent-conflict · soldiers · sci-fi · space-opera · fiction · action-adventure · war · space-fleet · galactic-empire · coming-of-age · nautical · law-enforcement · dystopia · male-author · secrets
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Heritage Trilogy
by Ian Douglas
3.89 · 75 ratings
space · violent-conflict · hard-sci-fi · war · book · fiction · action-adventure · soldiers · sci-fi · mars · space-opera · audiobook · military · adult · male-author · alternate-history · aliens · exploration · mystery · space-travel
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Omega Force
by Joshua Dalzelle
4.41 · 336 ratings
fiction · book · military · space · violent-conflict · adult · soldiers · space-fleet · sci-fi · space-opera · first-contact · action-adventure · aliens · audiobook · war · galactic-empire · futuristic · hard-sci-fi · epic · mystery
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Expansion Wars Trilogy
by Joshua Dalzelle
4.38 · 64 ratings
violent-conflict · space · space-fleet · adult · audiobook · military · first-contact · space-opera · soldiers · epic · sci-fi · aliens · fiction · colonization · book · war · hard-sci-fi · invasion · ai · action-adventure
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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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Black Fleet Trilogy
by Joshua Dalzelle
4.03 · 59 ratings
action-adventure · aliens · fiction · colonization · book · war · hard-sci-fi · invasion · space · violent-conflict · adult · space-fleet · military · audiobook · first-contact · space-opera · soldiers · sci-fi · epic · futuristic
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Black Fleet Saga
by Joshua Dalzelle
4.30 · 166 ratings
fiction · colonization · book · space · violent-conflict · adult · space-fleet · military · first-contact · space-opera · soldiers · sci-fi · audiobook · aliens · war · hard-sci-fi · invasion · epic · action-adventure · ai
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Theirs Not to Reason Why
by Jean Johnson
4.07 · 88 ratings
invasion · time-travel · book · paranormal · space · futuristic · war · female-mc · aliens · action-adventure · fiction · soldiers · sci-fi · space-travel · space-opera · first-contact · military · magic · adult · violent-conflict
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Planetside
by Michael Mammay
3.98 · 41 ratings
violent-conflict · adult · military · first-contact · space-opera · sci-fi · mystery · aliens · exploration · fiction · war · space · audiobook · political-intrigue · conspiracies · book · law-enforcement · space-travel · soldiers · action-adventure
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Star Carrier
by Ian Douglas
4.01 · 120 ratings
book · space · audiobook · action-adventure · aliens · fiction · space-opera · sci-fi · violent-conflict · adult · military · ai · war · hard-sci-fi · space-fleet · soldiers · male-author · invasion · first-contact · space-travel
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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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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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Rebellion
by M.R. Forbes
4.21 · 34 ratings
space-opera · soldiers · sci-fi · adult · dystopia · space · genetic-engineering · first-contact · space-fleet · military · audiobook · violent-conflict · war · apocalyptic · book · post-apocalyptic · invasion · aliens · fiction · futuristic
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Galactic Empire Wars
by Raymond L. Weil
4.19 · 54 ratings
aliens · soldiers · exploration · fiction · space-travel · space-opera · galactic-empire · sci-fi · military · first-contact · violent-conflict · space · space-fleet · adult · invasion · book · colonization · action-adventure · post-apocalyptic · war
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The Riss Series
by C.R. Daems
4.11 · 52 ratings
book · military · space · sci-fi · space-opera · fiction · action-adventure · space-fleet · violent-conflict · soldiers · female-mc · aliens · war · young-adult · adult · paranormal · galactic-empire · coming-of-age · religious
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Ruins of the Galaxy
by J.N. Chaney
4.33 · 41 ratings
military · audiobook · first-contact · space · violent-conflict · soldiers · sci-fi · space-opera · galactic-empire · colonization · aliens · fiction · invasion · book · war · action-adventure · adult · young-adult · death · corruption
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Legend of the Jade Phoenix Trilogy
by Robert Thurston
3.94 · 36 ratings
adult · sci-fi · space-opera · fiction · book · military · space · violent-conflict · soldiers · galactic-empire · war · box-set · invasion · anthologies
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Freedom's Fire
by Bobby Adair
4.10 · 52 ratings
adult · invasion · book · colonization · aliens · exploration · fiction · epic · soldiers · space-travel · space-opera · galactic-empire · sci-fi · audiobook · military · first-contact · violent-conflict · space · space-fleet · dystopia
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Far Stars
by Jay Allan
4.00 · 34 ratings
space-fleet · book · colonization · action-adventure · fiction · soldiers · sci-fi · space-opera · galactic-empire · military · audiobook · space · violent-conflict · war · adult · death · kidnapping · outlaws · alternate-history · royalty
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The Outback Stars
by Sandra McDonald
3.46 · 24 ratings
book · romance · action-adventure · fiction · colonization · space-opera · soldiers · sci-fi · space · violent-conflict · space-fleet · military · myths · war · aliens · exploration · paranormal · adult · time-travel · invasion
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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 Kurgan War
by Richard Turner
4.12 · 33 ratings
military · violent-conflict · adult · fiction · sci-fi · book · soldiers · space · action-adventure · space-opera · war · mystery
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Grimm's War
by Jeffery H. Haskell
4.52 · 27 ratings
space-travel · soldiers · violent-conflict · adult · space-fleet · military · first-contact · book · action-adventure · fiction · space-opera · exploration · galactic-empire · sci-fi · space · hard-sci-fi · invasion · aliens · colonization · audiobook
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Spectras Arise Trilogy
by Tammy Salyer
3.94 · 18 ratings
action-adventure · fiction · book · military · violent-conflict · space · genetic-engineering · adult · space-fleet · soldiers · sci-fi · space-opera · galactic-empire · war · female-mc · mystery · female-author
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