Unity
by Matt Kindt
3.58 · 12 ratings
adult · fiction · action-adventure · super-powered · violent-conflict · sci-fi · comics · immortality · military · aliens · graphic-violence · war · space-opera
Unity: Similar series
Troy Rising
by John Ringo
4.19 · 93 ratings
ai · space-opera · space-travel · sci-fi · adult · violent-conflict · space · audiobook · military · war · near-future · book · futuristic · hard-sci-fi · invasion · aliens · fiction · action-adventure · politics · dystopia
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The Forever War
by Joe Haldeman
3.87 · 114 ratings
space-opera · classics · time-travel · dystopia · space · literary · action-adventure · fiction · war · military · adult · violent-conflict · sci-fi · space-travel · book · audiobook · aliens · historical · 20th-century · politics
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Star Wars: The New Jedi Order
by Troy Denning
3.77 · 601 ratings
sci-fi · space · fiction · action-adventure · space-opera · aliens · war · violent-conflict · invasion · audiobook · adult · male-author · book · military · comics · classics · literary · mystery · time-travel · young-adult
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Duchy of Terra
by Glynn Stewart
4.40 · 65 ratings
military · audiobook · first-contact · war · space · violent-conflict · adult · space-fleet · soldiers · sci-fi · space-opera · space-travel · galactic-empire · female-mc · action-adventure · aliens · exploration · fiction · invasion · book
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Posleen War
by John Ringo
3.95 · 103 ratings
violent-conflict · space · adult · military · space-opera · sci-fi · action-adventure · aliens · fiction · book · war · hard-sci-fi · invasion · audiobook · alternate-history · survival · futuristic · contemporary · apocalyptic
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The Divide
by J.S. Dewes
4.12 · 53 ratings
action-adventure · sci-fi · space-opera · adult · book · fiction · female-author · military · audiobook · dystopia · space · violent-conflict · war · aliens · new-adult · suspense · space-fleet · survival · technology · hard-sci-fi
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The Legacy Trilogy
by Ian Douglas
3.89 · 51 ratings
audiobook · military · violent-conflict · space · soldiers · sci-fi · space-opera · action-adventure · aliens · hard-sci-fi · fiction · book · war · adult · first-contact · space-fleet · space-travel · colonization · young-adult · invasion
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Alien Movie Novelizations
by Alan Dean Foster
3.98 · 61 ratings
fiction · action-adventure · aliens · adult · horror · sci-fi · audiobook · space-opera · classics · dystopia · space · literary · super-powered · war · violent-conflict · military · time-travel · book · anthologies · cyberpunk
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Reality Benders
by Michael Atamanov
4.42 · 102 ratings
invasion · book · audiobook · litrpg · space · cyberpunk · action-adventure · aliens · fiction · first-contact · violent-conflict · sci-fi · alternate-history · super-powered · adult · magic · space-opera · galactic-empire · contemporary · war
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Superhuman
by Evan Currie
4.18 · 38 ratings
fiction · super-powered · comics · soldiers · sci-fi · audiobook · military · adult · violent-conflict · aliens · action-adventure · first-contact · war · multi-pov · litrpg · progression-fantasy · invasion · urban-fantasy
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Annihilation: Conquest Collected Editions
by Dan Abnett
4.00 · 37 ratings
adult · comics · fiction · super-powered · sci-fi · aliens · invasion · violent-conflict · action-adventure · space-opera · anthologies · box-set
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Perimeter Defense
by Michael Atamanov
4.15 · 46 ratings
military · violent-conflict · adult · ancient-china · sci-fi · space-fleet · space-opera · fiction · audiobook · litrpg · space · cyberpunk · virtual-reality · wuxia · ancient-civilization · book · ai · galactic-empire · colonization · historical
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The Universe After
by Drew Williams
3.86 · 34 ratings
space-opera · sci-fi · space-fleet · space · violent-conflict · audiobook · military · war · book · aliens · action-adventure · fiction · humor · alternate-universe · mystery · adult · magic · dystopia · far-future · futuristic
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The Wess'har Wars
by Karen Traviss
3.92 · 64 ratings
action-adventure · sci-fi · aliens · fiction · book · space · adult · first-contact · space-opera · colonization · war · invasion · violent-conflict · space-travel · military · immortality · futuristic · urban-fantasy · genetic-engineering · multi-pov
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Starfighter
by Hamlet Machine
4.10 · 50 ratings
adult · space-opera · comics · sci-fi · fiction · action-adventure · aliens · lgbtq · futuristic · space · mlm · steamy · romance · military · dark · violent-conflict · war · dystopia · enemies-to-lovers · male-mc
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The Theogony
by Chris Kennedy
3.95 · 27 ratings
space · violent-conflict · adult · space-fleet · military · audiobook · space-opera · space-travel · galactic-empire · soldiers · sci-fi · aliens · exploration · fiction · colonization · literary-fiction · book · war · invasion · first-contact
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Martha Washington
by Frank Miller
3.75 · 36 ratings
action-adventure · sci-fi · comics · politics · adult · cyberpunk · dystopia · drama · dark-horse · pulp · fiction · satire · violent-conflict · post-apocalyptic · war · super-powered · feminism · space-opera · crime · philosophy
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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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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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The Resistance
by Nathan Hystad
4.33 · 24 ratings
space-opera · colonization · aliens · fiction · action-adventure · invasion · war · time-travel · book · audiobook · adult · violent-conflict · space · sci-fi · supernatural · first-contact · military · space-fleet · male-mc · soldiers
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Tour of the Merrimack
by R.M. Meluch
3.88 · 50 ratings
fiction · adult · sci-fi · book · action-adventure · military · violent-conflict · space-opera · space · alternate-history · war · epic · time-travel · aliens · cyberpunk · super-powered · space-fleet · colonization · post-apocalyptic · box-set
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Enemy Mine
by Barry B. Longyear
4.22 · 18 ratings
war · action-adventure · aliens · fiction · sci-fi · military · violent-conflict · adult · book · classics · space-opera · literary · male-author · anthologies · female-mc · philosophy · box-set · audiobook
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Classic G.I. Joe
by Larry Hama
4.06 · 33 ratings
fiction · comics · super-powered · violent-conflict · sci-fi · war · military · action-adventure · adult · young-adult · literary · cyberpunk · classics
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MAJESTIC-12
by Michael J. Martinez
4.00 · 9 ratings
suspense · conspiracies · paranormal · political-intrigue · supernatural · military · historical-fiction · violent-conflict · historical · adult · comics · alternate-history · action-adventure · fantasy · super-powered · fiction · myths · time-travel · soldiers · space-travel
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