The Kraken
by Tiffany Roberts
4.14 · 109 ratings
aliens · fiction · adult · sci-fi · romance · paranormal · book · steamy · monsters · action-adventure · futuristic · genetic-engineering · dystopia · suspense · alpha-mc · female-mc · friendship · slow-burn · multi-pov · friends-to-lovers
The Kraken: Similar series
Naga Brides
by Naomi Lucas
4.00 · 94 ratings
romance · book · paranormal · dystopia · alpha-mc · futuristic · fated-mates · monsters · aliens · fiction · action-adventure · sci-fi · adult · post-apocalyptic · steamy · dark · enemies-to-lovers · multi-pov · myths · audiobook
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Aldebarian Alliance
by Dianne Duvall
4.37 · 89 ratings
romance · book · vampires · paranormal · audiobook · alpha-mc · female-mc · action-adventure · aliens · fiction · sci-fi · adult · space · humor · military · first-contact · steamy · urban-fantasy · suspense · contemporary
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Cyborgs: More Than Machines
by Eve Langlais
4.00 · 118 ratings
romance · adult · military · sci-fi · aliens · fiction · action-adventure · cyborgs · genetic-engineering · paranormal · steamy · humor · futuristic · book · soldiers · space · suspense · cyberpunk · abuse · violent-conflict
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Argurma Salvager
by S.J. Sanders
4.09 · 43 ratings
romance · book · steamy · audiobook · cyborgs · paranormal · female-mc · aliens · action-adventure · fiction · futuristic · apocalyptic · monsters · adult · sci-fi · urban-fantasy · post-apocalyptic · dystopia · alpha-mc · new-adult
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Breeder
by Cara Bristol
3.67 · 42 ratings
aliens · fiction · action-adventure · futuristic · adult · dark · sci-fi · post-apocalyptic · romance · book · steamy · dystopia · paranormal · sexual-assault · military · kidnapping · space · suspense · poc-mc · omegaverse
All books in this series ❯
The Kraken
by Tiffany Roberts
4.14 · 109 ratings
aliens · fiction · adult · sci-fi · romance · paranormal · book · steamy · monsters · action-adventure · futuristic · genetic-engineering · dystopia · suspense · alpha-mc · female-mc · friendship · slow-burn · multi-pov · friends-to-lovers
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Cyborg Sizzle
by Cynthia Sax
4.09 · 173 ratings
aliens · paranormal · fiction · genetic-engineering · cyborgs · romance · book · sci-fi · adult · futuristic · steamy · action-adventure · space · military · alpha-mc · fated-mates · dystopia · multi-pov · warriors · dark
All books in this series ❯
Iriduan Test Subjects
by Susan Trombley
4.04 · 101 ratings
adult · sci-fi · aliens · fiction · book · steamy · romance · dark · monsters · futuristic · paranormal · space · action-adventure · genetic-engineering · myths · alpha-mc · kidnapping · new-adult · slow-burn · enemies-to-lovers
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Juniper Unraveling
by Keri Lake
4.23 · 49 ratings
action-adventure · zombies · fiction · apocalyptic · futuristic · horror · dark · new-adult · sci-fi · book · steamy · romance · post-apocalyptic · dystopia · paranormal · monsters · sexual-assault · dark-fantasy · abuse · genetic-engineering
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Cold Mark Saga
by Scarlett Dawn
3.79 · 70 ratings
sci-fi · reverse-harem · book · romance · dystopia · paranormal · aliens · fiction · polyamory · new-adult · harem · urban-fantasy · steamy · alpha-mc · space · suspense · futuristic · adult · action-adventure · love-triangle
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The Condemned
by Alison Aimes
3.95 · 45 ratings
dark · sci-fi · military · adult · futuristic · fiction · aliens · prison · action-adventure · paranormal · enemies-to-lovers · romance · book · steamy · female-mc · anti-hero · dystopia · alpha-mc · post-apocalyptic · kidnapping
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Dark Space
by Lisa Henry
4.02 · 42 ratings
book · military · adult · violent-conflict · sci-fi · space-opera · aliens · fiction · action-adventure · futuristic · lgbtq · war · dystopia · space · angst · mlm · romance · dark · mystery · audiobook
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Unearthly World
by C.L. Scholey
3.94 · 77 ratings
steamy · adult · sci-fi · aliens · fiction · romance · book · action-adventure · paranormal · shapeshifters · futuristic · contemporary · humor · space · dystopia · alpha-mc · suspense · warriors · audiobook · supernatural
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Into the Dead Fall
by Susan Trombley
4.16 · 44 ratings
aliens · fiction · adult · sci-fi · romance · book · steamy · paranormal · monsters · reverse-harem · dystopia · futuristic · fated-mates · polyamory · female-mc · female-author · post-apocalyptic · forced-proximity · genetic-engineering · love-triangle
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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
All books in this series ❯
Alien Raiders' Brides
by Vi Voxley
4.08 · 29 ratings
book · steamy · action-adventure · aliens · fiction · dark · sci-fi · paranormal · military · first-contact · adult · futuristic · kidnapping · romance · warriors · sexual-assault · alpha-mc · fated-mates · dystopia · other-world
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Shadows In Sanctuary
by Susan Trombley
4.14 · 35 ratings
aliens · fiction · adult · demons · supernatural · book · romance · paranormal · futuristic · female-author · sci-fi · steamy · dystopia · monsters · magic · new-adult · dark · captivity · genetic-engineering · prison
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Ignite
by Nora Phoenix
4.24 · 25 ratings
audiobook · dystopia · abuse · mlm · post-apocalyptic · romance · steamy · book · adult · sci-fi · aliens · fiction · futuristic · lgbtq · survival · polyamory · new-adult · action-adventure · slow-burn · apocalyptic
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Primarian Mates
by Maddie Taylor
4.10 · 30 ratings
sci-fi · adult · aliens · fiction · paranormal · romance · book · dark · action-adventure · steamy · kidnapping · military · sexual-assault · futuristic · fated-mates · suspense · dystopia · inter-galactic · space-opera · historical
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Cyborgs: Mankind Redefined
by Donna McDonald
4.13 · 30 ratings
book · futuristic · post-apocalyptic · romance · fiction · action-adventure · humor · urban-fantasy · female-mc · sci-fi · adult · cyborgs · genetic-engineering · military · paranormal · suspense · war · dystopia · violent-conflict · law-enforcement
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Galactic Pirate Brides
by Tamsin Ley
4.16 · 27 ratings
sci-fi · adult · action-adventure · aliens · fiction · paranormal · first-contact · futuristic · outlaws · female-mc · genetic-engineering · romance · book · violent-conflict · suspense · alpha-mc · invasion · military · galactic-empire · steamy
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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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Men of Mettle
by Cara Bristol
4.05 · 42 ratings
romance · cyborgs · aliens · fiction · adult · sci-fi · book · steamy · paranormal · action-adventure · genetic-engineering · futuristic · military · suspense · space · first-contact · audiobook · domestic-drama · insta-love · space-opera
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Vertex
by Soren Summers
3.91 · 11 ratings
lgbtq · futuristic · mystery · fiction · dark · sci-fi · adult · horror · romance · post-apocalyptic · mlm · suspense · paranormal · zombies · dystopia · monsters · action-adventure · spooky · book · steamy
All books in this series ❯