The Simpleton
by Mark Wayne McGinnis
4.06 · 18 ratings
aliens · fiction · invasion · book · first-contact · audiobook · violent-conflict · space · sci-fi · space-opera · psychics · supernatural · young-adult · military · space-fleet · adult · paranormal · contemporary · suspense
The Simpleton: Similar series
The Tower and the Hive
by Anne McCaffrey
3.97 · 170 ratings
romance · space · audiobook · paranormal · aliens · fiction · action-adventure · psychics · futuristic · female-author · space-opera · space-travel · epic · sci-fi · young-adult · supernatural · book · invasion · female-mc · family
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The Kurtherian Gambit
by Michael Anderle
4.48 · 585 ratings
aliens · fiction · vampires · urban-fantasy · paranormal · action-adventure · violent-conflict · shapeshifters · genetic-engineering · space · galactic-empire · military · space-opera · book · audiobook · war · sci-fi · suspense · invasion · first-contact
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The Light of Terra
by Glynn Stewart
4.43 · 64 ratings
space-opera · aliens · action-adventure · exploration · fiction · invasion · war · book · first-contact · audiobook · military · space-fleet · adult · violent-conflict · space · soldiers · galactic-empire · sci-fi · space-travel · suspense
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Tao
by Wesley Chu
3.84 · 81 ratings
action-adventure · aliens · fiction · espionage · sci-fi · book · audiobook · political-intrigue · alternate-history · humor · spirituality · crime · male-author · violent-conflict · space-fleet · military · first-contact · religion · urban-fantasy · invasion
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Legacy Fleet
by Nick Webb
4.16 · 149 ratings
space-travel · colonization · supernatural · aliens · exploration · fiction · invasion · book · first-contact · military · adult · space-fleet · space · violent-conflict · soldiers · sci-fi · galactic-empire · space-opera · technothriller · action-adventure
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Aldebarian Alliance
by Dianne Duvall
4.37 · 89 ratings
action-adventure · aliens · fiction · female-mc · adult · sci-fi · vampires · book · romance · alpha-mc · audiobook · paranormal · humor · military · first-contact · space · futuristic · insta-love · space-opera · space-travel
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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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Cosmos' Gateway
by S.E. Smith
4.17 · 138 ratings
romance · audiobook · contemporary · alpha-mc · fiction · aliens · sci-fi · invasion · book · paranormal · action-adventure · futuristic · military · first-contact · violent-conflict · space-fleet · adult · soldiers · steamy · alternate-history
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Legacy Ship Trilogy
by Nick Webb
4.23 · 44 ratings
book · first-contact · technothriller · invasion · action-adventure · aliens · exploration · fiction · colonization · supernatural · space-travel · space-opera · galactic-empire · soldiers · sci-fi · violent-conflict · space · space-fleet · adult · audiobook
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Dread Empire's Fall
by Walter Jon Williams
3.90 · 92 ratings
fiction · war · adult · violent-conflict · military · space-opera · sci-fi · book · space · action-adventure · space-fleet · galactic-empire · aliens · audiobook · female-mc · hard-sci-fi · first-contact · space-travel · invasion · suspense
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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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Age of Expansion: The Ascension Myth
by Ell Leigh Clarke
4.46 · 150 ratings
space · book · colonization · supernatural · aliens · fiction · sci-fi · galactic-empire · space-opera · audiobook · violent-conflict · military · invasion · space-travel · genetic-engineering · exploration · soldiers · space-fleet · adult · action-adventure
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Dark Space
by Jasper T. Scott
3.84 · 82 ratings
invasion · space-fleet · book · galactic-empire · audiobook · space · fiction · aliens · sci-fi · space-opera · military · violent-conflict · adult · historical · supernatural · genetic-engineering · dystopia · cyberpunk · steampunk · industrial-era
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Galactic Center
by Robert Silverberg
3.74 · 95 ratings
sci-fi · fiction · space-opera · hard-sci-fi · space · audiobook · book · invasion · space-travel · violent-conflict · aliens · exploration · young-adult · adult · military · first-contact · space-fleet · anthologies · male-author · 20th-century
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The Siege of Terra
by Dan Abnett
4.18 · 116 ratings
action-adventure · exploration · fiction · violent-conflict · adult · military · sci-fi · space · audiobook · grim-dark · space-fleet · space-opera · soldiers · book · genetic-engineering · aliens · first-contact · colonization · invasion · galactic-empire
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Shamans & Shifters Space Opera
by Jenny Schwartz
4.33 · 46 ratings
romance · shapeshifters · book · paranormal · space · aliens · fiction · action-adventure · sci-fi · space-travel · space-opera · first-contact · adult · futuristic · outlaws · space-fleet · magic · fae · colonization · galactic-empire
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The Ixan Prophecies
by Scott Bartlett
4.00 · 36 ratings
aliens · exploration · fiction · soldiers · sci-fi · space-opera · galactic-empire · audiobook · military · first-contact · space · space-fleet · adult · invasion · violent-conflict · book · colonization · space-travel · hard-sci-fi · war
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The Ravager Chronicles
by Sara Page
3.86 · 42 ratings
paranormal · steamy · book · reverse-harem · romance · sci-fi · adult · polyamory · aliens · fiction · space · space-opera · action-adventure · poc-mc · royalty · military · fated-mates · galactic-empire · alpha-mc · survival
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Starfighter Training Academy
by Grace Goodwin
4.22 · 41 ratings
fiction · action-adventure · sci-fi · military · adult · romance · book · paranormal · audiobook · genetic-engineering · war · aliens · first-contact · space-fleet · violent-conflict · invasion · steamy · colonization · space · suspense
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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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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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The Lamb Among the Stars
by Chris Walley
4.21 · 38 ratings
invasion · violent-conflict · christian · aliens · fiction · spirituality · action-adventure · humor · sci-fi · book · horror · dark · mystery · adult · military · religion · space-fleet · children · space-opera · futuristic
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Mech Wars
by Scott Bartlett
3.86 · 22 ratings
colonization · supernatural · book · invasion · space · aliens · fiction · hard-sci-fi · violent-conflict · space-fleet · adult · military · first-contact · space-travel · space-opera · soldiers · sci-fi · audiobook · galactic-empire · action-adventure
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Space Mage
by Izzy Shows
3.91 · 11 ratings
genetic-engineering · cyberpunk · galactic-empire · supernatural · urban-fantasy · book · invasion · violent-conflict · adult · military · space-fleet · first-contact · space-travel · soldiers · sci-fi · action-adventure · aliens · exploration · fiction · suspense
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