Critical
by Darren Wearmouth
3.67 · 24 ratings
book · invasion · post-apocalyptic · aliens · fiction · sci-fi · violent-conflict · adult · first-contact · action-adventure · apocalyptic · horror · colonization · galactic-empire · suspense · space · dystopia
Critical: Similar series
Children of Time
by Adrian Tchaikovsky
4.18 · 100 ratings
hard-sci-fi · space · audiobook · ai · book · adult · first-contact · violent-conflict · space-opera · space-travel · sci-fi · fiction · aliens · action-adventure · dystopia · survival · genetic-engineering · 21st-century · contemporary · post-apocalyptic
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Extinction
by James D. Prescott
4.12 · 76 ratings
political-intrigue · sci-fi · genetic-engineering · adult · audiobook · first-contact · book · technothriller · hard-sci-fi · action-adventure · post-apocalyptic · aliens · fiction · alternate-history · violent-conflict · apocalyptic · psychological · invasion · espionage · space-travel
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Marsbound
by Joe Haldeman
3.50 · 64 ratings
violent-conflict · first-contact · sci-fi · action-adventure · aliens · fiction · space · dystopia · audiobook · book · invasion · post-apocalyptic · adult · space-travel · space-opera · exploration · hard-sci-fi · time-travel · historical · military
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The Second Dark Ages
by Michael Anderle
4.53 · 88 ratings
adult · sci-fi · action-adventure · fiction · genetic-engineering · paranormal · post-apocalyptic · book · violent-conflict · aliens · apocalyptic · dystopia · vampires · urban-fantasy · shapeshifters · military · audiobook · first-contact · space · suspense
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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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The Way
by Greg Bear
3.80 · 70 ratings
time-travel · action-adventure · fiction · adult · space-opera · sci-fi · post-apocalyptic · space · audiobook · aliens · hard-sci-fi · violent-conflict · military · classics · book · invasion · anthologies · literary · alternate-history · male-author
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Dimension Space
by Dean M. Cole
4.02 · 48 ratings
book · technothriller · invasion · post-apocalyptic · dystopia · audiobook · action-adventure · fiction · aliens · apocalyptic · hard-sci-fi · violent-conflict · adult · military · first-contact · space-opera · sci-fi · time-travel · alternate-history · multiverse
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The Alliance
by S.E. Smith
4.12 · 120 ratings
aliens · fiction · romance · book · sci-fi · adult · paranormal · audiobook · post-apocalyptic · military · futuristic · action-adventure · dystopia · first-contact · violent-conflict · contemporary · invasion · space · steamy · space-travel
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In Her Name: The Last War
by Michael R. Hicks
4.21 · 58 ratings
military · first-contact · violent-conflict · space · adult · sci-fi · space-opera · galactic-empire · aliens · fiction · invasion · book · war · space-travel · action-adventure · epic · dystopia · warriors · post-apocalyptic · box-set
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The Survivors
by Nathan Hystad
4.15 · 126 ratings
sci-fi · book · invasion · aliens · action-adventure · fiction · violent-conflict · adult · first-contact · time-travel · audiobook · colonization · supernatural · galactic-empire · travel · space · post-apocalyptic · apocalyptic · space-fleet · military
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Alien Invasion
by Sean Platt
3.83 · 96 ratings
apocalyptic · aliens · action-adventure · fiction · sci-fi · horror · first-contact · adult · violent-conflict · post-apocalyptic · invasion · book · colonization · audiobook · dystopia · humor · comedy · space · military · space-fleet
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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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Cade Korbin Chronicles
by Jasper T. Scott
4.35 · 35 ratings
aliens · exploration · fiction · industrial-era · steampunk · adult · space-fleet · historical · violent-conflict · first-contact · military · space-travel · soldiers · sci-fi · book · invasion · cyberpunk · space · genetic-engineering · galactic-empire
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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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Dire Earth Cycle
by Jason M. Hough
3.76 · 79 ratings
book · post-apocalyptic · sci-fi · adult · action-adventure · fiction · violent-conflict · military · apocalyptic · hard-sci-fi · aliens · zombies · audiobook · horror · space · dystopia · space-opera · first-contact · mystery · suspense
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Sector 64
by Dean M. Cole
4.01 · 29 ratings
aliens · fiction · action-adventure · post-apocalyptic · invasion · apocalyptic · book · military · audiobook · adult · space · violent-conflict · sci-fi · space-opera · alternate-history · hard-sci-fi · first-contact · technothriller · dystopia
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Rise
by Devon C. Ford
4.20 · 27 ratings
soldiers · adult · dystopia · violent-conflict · sci-fi · first-contact · audiobook · military · horror · book · apocalyptic · post-apocalyptic · invasion · aliens · action-adventure · fiction · survival · monsters · suspense · genetic-engineering
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Warriors of Karal
by Harmony Raines
4.18 · 38 ratings
violent-conflict · adult · contemporary · first-contact · space-travel · galactic-empire · sci-fi · paranormal · action-adventure · aliens · exploration · colonization · fiction · book · steamy · invasion · romance · genetic-engineering · dystopia · warriors
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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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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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Prophecy
by Lea Kirk
3.80 · 10 ratings
fiction · invasion · aliens · book · first-contact · violent-conflict · adult · sci-fi · romance · action-adventure · futuristic · post-apocalyptic · military · space-opera · prophecy · apocalyptic · steamy · war · space · paranormal
All books in this series ❯