Cat Ship
by Jody Wallace
4.00 · 1 ratings
book · first-contact · colonization · adult · dystopia · fiction · action-adventure · futuristic · humor · post-apocalyptic · sci-fi · romance · space-opera
Cat Ship: Similar series
Bobiverse
by Dennis E. Taylor
4.36 · 224 ratings
space-opera · sci-fi · fiction · space · audiobook · book · space-travel · comedy · exploration · action-adventure · humor · aliens · dystopia · ai · post-apocalyptic · male-author · violent-conflict · hard-sci-fi · transhumanism · adult
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Children of Time
by Adrian Tchaikovsky
4.18 · 100 ratings
hard-sci-fi · action-adventure · aliens · fiction · sci-fi · space-travel · space-opera · first-contact · violent-conflict · adult · book · ai · audiobook · space · dystopia · futuristic · animals · epic · exploration · male-author
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Catteni
by Anne McCaffrey
3.96 · 124 ratings
adult · invasion · romance · violent-conflict · female-author · first-contact · space-opera · space-travel · sci-fi · aliens · fiction · action-adventure · futuristic · dystopia · space · audiobook · colonization · other-world · female-mc · survival
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In Her Name: Redemption
by Michael R. Hicks
4.18 · 73 ratings
invasion · romance · galactic-empire · space · action-adventure · aliens · fiction · space-opera · sci-fi · violent-conflict · military · first-contact · book · dystopia · war · adult · post-apocalyptic · futuristic · warriors · space-travel
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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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The Legend of ZERO
by Sara King
4.33 · 138 ratings
book · aliens · fiction · action-adventure · space-opera · sci-fi · post-apocalyptic · space · violent-conflict · first-contact · invasion · dystopia · war · futuristic · military · galactic-empire · adult · journey · horror · humor
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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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The Bridge Sequence
by Nathan Hystad
4.35 · 51 ratings
futuristic · post-apocalyptic · violent-conflict · invasion · book · fiction · aliens · action-adventure · travel · suspense · sci-fi · space-opera · first-contact · audiobook · adult · dystopia · romance · mystery · contemporary · industrial-era
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Mail-Order Brides of Crakair
by Ava Ross
4.19 · 82 ratings
action-adventure · humor · romance · book · sci-fi · adult · fiction · aliens · galactic-empire · audiobook · invasion · colonization · violent-conflict · dystopia · steamy · insta-love · first-contact · paranormal · new-adult · soldiers
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First Salik War
by Jean Johnson
4.00 · 28 ratings
space · paranormal · book · invasion · adult · magic · romance · violent-conflict · first-contact · military · space-opera · sci-fi · fiction · aliens · action-adventure · female-mc · war · dystopia · cyberpunk · politics
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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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Janitors of the Post-Apocalypse
by Jim C. Hines
4.11 · 27 ratings
dystopia · post-apocalyptic · book · military · adult · violent-conflict · sci-fi · humor · fiction · apocalyptic · audiobook · genetic-engineering · space · zombies · ai · first-contact · horror · male-author · satire · comedy
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OtherWorldly Men
by Susan Grant
3.85 · 26 ratings
aliens · fiction · paranormal · sci-fi · space-opera · first-contact · alpha-mc · adult · romance · futuristic · book · female-mc · action-adventure · humor · assassins · political-intrigue · contemporary · space · violent-conflict · invasion
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Warriors of Karal
by Harmony Raines
4.18 · 38 ratings
steamy · book · invasion · fiction · aliens · exploration · action-adventure · romance · colonization · galactic-empire · space-travel · paranormal · sci-fi · adult · first-contact · violent-conflict · contemporary · other-world · warriors · dystopia
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Wanted and Wired
by Vivien Jackson
3.64 · 21 ratings
adult · dystopia · romance · sci-fi · fiction · book · cyberpunk · audiobook · military · space-opera · paranormal · action-adventure · urban-fantasy · futuristic · post-apocalyptic · cyborgs · forced-proximity · contemporary · genetic-engineering · found-family
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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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Alien Quarantine Rescue
by Robin Lovett
3.62 · 21 ratings
steamy · book · post-apocalyptic · romance · alpha-mc · humor · aliens · fiction · apocalyptic · futuristic · fated-mates · adult · first-contact · sci-fi · invasion · space · dystopia · paranormal · womens-fiction · violent-conflict
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Venora Mates
by Octavia Kore
3.95 · 21 ratings
fiction · adult · book · paranormal · action-adventure · humor · aliens · monsters · lgbtq · violent-conflict · polyamory · horror · dark · sci-fi · colonization · supernatural · reverse-harem · invasion · romance · genetic-engineering
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Unexpected
by Layla Stone
4.06 · 18 ratings
romance · book · paranormal · futuristic · aliens · fiction · sci-fi · adult · invasion · colonization · action-adventure · space-opera · first-contact · violent-conflict · kidnapping · steamy · abuse · galactic-empire · genetic-engineering · poc-mc
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Levekk Invaders
by Lea Linnett
3.83 · 18 ratings
sci-fi · violent-conflict · adult · fiction · aliens · paranormal · galactic-empire · dystopia · invasion · book · colonization · romance · slow-burn · futuristic · action-adventure · audiobook · post-apocalyptic · grumpy-mc · apocalyptic · forbidden-love
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Earth's Only Hope
by Joynell Schultz
4.09 · 11 ratings
fiction · futuristic · post-apocalyptic · book · first-contact · dystopia · sci-fi · galactic-empire · colonization · action-adventure · young-adult · aliens · romance · military · paranormal · soldiers · space-opera · invasion · age-gap · apocalyptic
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Alien Fated Mates for Ajnara Warriors
by Pearl Tate
4.40 · 20 ratings
humor · aliens · fiction · adult · romance · paranormal · sci-fi · military · post-apocalyptic · fated-mates · action-adventure · first-contact · violent-conflict · book · zombies · invasion · kind-mc · futuristic · war · poc-mc
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Antonello Brothers
by Kayelle Allen
4.20 · 5 ratings
book · adult · fiction · dystopia · romance · sci-fi · space-opera · genetic-engineering · paranormal · galactic-empire · colonization · mlm · military · first-contact · dark · action-adventure · humor · lgbtq · royalty · steamy
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