The Alloy Era
by S.B. Divya
4.00 · 8 ratings
genetic-engineering · space · adult · exploration · colonization · fiction · book · space-opera · space-travel · hard-sci-fi · sci-fi
The Alloy Era: Similar series
Salvation Sequence
by Peter F. Hamilton
4.27 · 97 ratings
mystery · action-adventure · sci-fi · space-opera · space-travel · first-contact · audiobook · adult · space · hard-sci-fi · book · colonization · fiction · aliens · exploration · dystopia · futuristic · epic · transhumanism · 21st-century
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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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Poseidon's Children
by Alastair Reynolds
3.88 · 58 ratings
space-opera · book · audiobook · space · politics · exploration · action-adventure · fiction · hard-sci-fi · adult · sci-fi · space-travel · colonization · transhumanism · aliens · solarpunk · solar-system · invasion · literary-fiction · cyberpunk
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Lost Colonies Trilogy
by B.V. Larson
4.05 · 53 ratings
book · first-contact · violent-conflict · hard-sci-fi · invasion · war · action-adventure · aliens · exploration · fiction · colonization · space-travel · space-opera · galactic-empire · sci-fi · genetic-engineering · space · space-fleet · adult · audiobook
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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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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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Mars
by Ben Bova
3.82 · 44 ratings
space-travel · exploration · action-adventure · fiction · hard-sci-fi · book · audiobook · adult · space · sci-fi · mars · space-opera · poc-mc · colonization · indigenous-mc · supernatural · futuristic · near-future · male-author
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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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Colony Mars
by Gerald M. Kilby
4.10 · 94 ratings
space-travel · colonization · fiction · action-adventure · exploration · hard-sci-fi · book · adult · space · sci-fi · genetic-engineering · mars · audiobook · 21st-century · space-opera · futuristic · horror · survival · female-mc · robots
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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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Lost Starship
by Vaughn Heppner
4.24 · 155 ratings
military · space-fleet · adult · genetic-engineering · violent-conflict · soldiers · galactic-empire · space-opera · colonization · aliens · fiction · action-adventure · invasion · book · space · sci-fi · audiobook · space-travel · exploration · ai
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Heorot
by Larry Niven
3.89 · 50 ratings
sci-fi · space · adult · audiobook · horror · book · action-adventure · fiction · space-travel · violent-conflict · first-contact · invasion · hard-sci-fi · aliens · exploration · space-opera · mystery · colonization · 20th-century · medieval
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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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The Last War
by Peter Bostrom
4.09 · 34 ratings
aliens · exploration · colonization · fiction · book · technothriller · invasion · genetic-engineering · space · space-fleet · adult · military · violent-conflict · first-contact · space-travel · space-opera · galactic-empire · soldiers · sci-fi · action-adventure
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Rise of Mankind
by John Walker
4.07 · 28 ratings
aliens · exploration · colonization · fiction · book · invasion · space · genetic-engineering · adult · violent-conflict · military · first-contact · space-opera · space-travel · galactic-empire · sci-fi · war · space-fleet
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The Orion War
by M.D. Cooper
4.40 · 124 ratings
fiction · space-opera · sci-fi · adult · cyberpunk · hard-sci-fi · space · audiobook · book · violent-conflict · space-fleet · military · lgbtq · galactic-empire · soldiers · colonization · space-travel · exploration · supernatural · action-adventure
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New Frontiers Trilogy
by Jasper T. Scott
3.96 · 26 ratings
space-travel · sci-fi · genetic-engineering · space · cyberpunk · adult · space-fleet · military · violent-conflict · book · hard-sci-fi · aliens · exploration · fiction · colonization · space-opera · action-adventure · supernatural · audiobook · war
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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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Asterion Noir
by G.S. Jennsen
4.39 · 18 ratings
cyberpunk · genetic-engineering · space · audiobook · galactic-empire · politics · suspense · colonization · book · technothriller · invasion · romance · space-fleet · adult · violent-conflict · first-contact · horror · military · space-travel · space-opera
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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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Harvest of Stars
by Poul Anderson
3.43 · 23 ratings
adult · space · space-opera · sci-fi · fiction · book · hard-sci-fi · genetic-engineering · action-adventure · post-apocalyptic · audiobook · space-travel · exploration · colonization · dystopia · space-fleet · technology · galactic-empire · military · violent-conflict
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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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Thrive Space Colony Adventures
by Ginger Booth
4.38 · 13 ratings
space · adult · space-travel · sci-fi · humor · exploration · fiction · colonization · book · genetic-engineering · space-opera · action-adventure · hard-sci-fi · political-intrigue · lgbtq
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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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