The Circuit
by Rhett C. Bruno
3.92 · 12 ratings
book · action-adventure · fiction · space-opera · sci-fi · adult · violent-conflict · post-apocalyptic · colonization · space · space-fleet · military · technology · space-travel · galactic-empire · soldiers · genetic-engineering · audiobook · multi-pov
The Circuit: Similar series
The Pandora Sequence
by Frank Herbert
3.73 · 102 ratings
fiction · sci-fi · adult · space-opera · book · audiobook · space · spirituality · action-adventure · classics · religion · philosophy · literary · military · space-fleet · violent-conflict · post-apocalyptic · colonization · ai · genetic-engineering
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Safehold
by David Weber
4.11 · 191 ratings
sci-fi · colonization · supernatural · book · post-apocalyptic · space · audiobook · action-adventure · fiction · alternate-history · war · violent-conflict · adult · military · space-opera · space-fleet · soldiers · religion · spirituality · politics
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Stark's War
by John G. Hemry
3.92 · 52 ratings
space-opera · exploration · fiction · action-adventure · war · book · audiobook · military · adult · violent-conflict · space · soldiers · sci-fi · space-travel · colonization · nautical · post-apocalyptic · time-travel · space-fleet · mystery
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The Forgotten
by M.R. Forbes
4.15 · 48 ratings
sci-fi · space · genetic-engineering · adult · dystopia · military · audiobook · space-fleet · apocalyptic · book · violent-conflict · invasion · post-apocalyptic · action-adventure · aliens · fiction · space-opera · political-intrigue · conspiracies · war
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Doom Star
by Vaughn Heppner
3.92 · 104 ratings
dystopia · genetic-engineering · space · galactic-empire · colonization · post-apocalyptic · invasion · book · military · space-fleet · adult · violent-conflict · soldiers · sci-fi · space-opera · fiction · action-adventure · aliens · space-travel · 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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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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AI Reborn
by Isaac Hooke
4.10 · 36 ratings
space · violent-conflict · adult · cyberpunk · cyborgs · first-contact · military · space-fleet · ai · space-opera · space-travel · soldiers · sci-fi · aliens · exploration · colonization · fiction · apocalyptic · book · invasion
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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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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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NeoG
by K.B. Wagers
4.01 · 33 ratings
action-adventure · galactic-empire · audiobook · space · genetic-engineering · book · colonization · sci-fi · space-opera · military · adult · space-fleet · lgbtq · fiction · mystery · found-family · post-apocalyptic · female-author · violent-conflict · war
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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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Rogue Clone
by Steven L. Kent
3.82 · 112 ratings
fiction · adult · sci-fi · book · action-adventure · military · violent-conflict · space-opera · audiobook · war · space · soldiers · space-fleet · post-apocalyptic · mystery · exploration · space-travel · cyberpunk · suspense · aliens
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Children of a Dead Earth
by Patrick S. Tomlinson
3.86 · 28 ratings
invasion · adult · violent-conflict · space-opera · sci-fi · aliens · fiction · action-adventure · mystery · crime · dystopia · space · audiobook · colonization · book · space-fleet · first-contact · law-enforcement · military · space-travel
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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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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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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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AMP
by Stephen Arseneault
4.04 · 48 ratings
space-travel · galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · exploration · fiction · colonization · soldiers · first-contact · invasion · futuristic · aliens · space-opera
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OMEGA
by Stephen Arseneault
4.08 · 36 ratings
galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · violent-conflict · military · book · post-apocalyptic · aliens · fiction · space-travel · soldiers · first-contact · invasion · futuristic · exploration · colonization · space-opera
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SODIUM
by Stephen Arseneault
3.90 · 21 ratings
book · adult · sci-fi · fiction · genetic-engineering · space · galactic-empire · invasion · post-apocalyptic · military · first-contact · violent-conflict · space-fleet · aliens · colonization · soldiers · space-travel · exploration · space-opera · action-adventure
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The Circuit
by Rhett C. Bruno
3.92 · 12 ratings
book · action-adventure · fiction · space-opera · sci-fi · adult · violent-conflict · post-apocalyptic · colonization · space · space-fleet · military · technology · space-travel · galactic-empire · soldiers · genetic-engineering · audiobook · multi-pov
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Hadron
by Stephen Arseneault
4.25 · 16 ratings
space-fleet · post-apocalyptic · invasion · violent-conflict · book · colonization · aliens · exploration · fiction · soldiers · sci-fi · space-travel · galactic-empire · military · first-contact · space · genetic-engineering · adult · hard-sci-fi · space-opera
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Metal Legion
by C.H. Gideon
4.56 · 27 ratings
military · book · exploration · fiction · space-travel · space-opera · soldiers · space-fleet · adult · violent-conflict · space · first-contact · colonization · galactic-empire · action-adventure · sci-fi · invasion · aliens · war · politics
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Tales of Cinnamon City
by Peter James West
3.75 · 12 ratings
space-fleet · adult · dystopia · genetic-engineering · space · violent-conflict · military · galactic-empire · space-opera · soldiers · sci-fi · fiction · action-adventure · colonization · book · post-apocalyptic · ai · epic · war · mystery
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