Gladiators of Krix: Similar romance series

House of Kaimar

by Miranda Bridges

4.13 · 112 ratings

action-adventure · aliens · female-mc · fiction · dark · sci-fi · violent-conflict · adult · first-contact · book · kidnapping · romance · paranormal · contemporary · steamy · invasion · alpha-mc · fated-mates · insta-love · royalty

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Stolen by an Alien

by Amanda Milo

4.08 · 179 ratings

aliens · humor · sci-fi · steamy · fiction · adult · book · romance · paranormal · violent-conflict · first-contact · invasion · audiobook · space · alpha-mc · action-adventure · dark · kind-mc · kidnapping · friends-to-lovers

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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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Prime Mating Agency

by Regine Abel

4.17 · 256 ratings

aliens · monsters · first-contact · sci-fi · paranormal · fiction · adult · colonization · book · romance · humor · violent-conflict · invasion · poc-mc · fated-mates · arranged-marriage · marriage-of-convenience · alpha-mc · futuristic · steamy

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Treasured by the Alien

by Honey Phillips

4.40 · 191 ratings

fiction · romance · sci-fi · first-contact · adult · aliens · book · paranormal · steamy · children · invasion · violent-conflict · space · alpha-mc · kidnapping · dark · fated-mates · futuristic · space-travel · insta-love

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Captured by Aliens

by A.G. Wilde

4.03 · 77 ratings

fiction · aliens · action-adventure · female-mc · adult · first-contact · sci-fi · book · steamy · romance · paranormal · dark · kidnapping · alpha-mc · galactic-empire · humor · poc-mc · slow-burn · violent-conflict · invasion

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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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Riv’s Sanctuary

by A.G. Wilde

4.12 · 44 ratings

dark · sci-fi · adult · futuristic · poc-mc · female-mc · fiction · aliens · action-adventure · humor · paranormal · alpha-mc · space · romance · kidnapping · book · first-contact · violent-conflict · galactic-empire · audiobook

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Ruth & Gron

by V.C. Lancaster

3.85 · 87 ratings

adult · romance · steamy · paranormal · fiction · aliens · sci-fi · invasion · book · reverse-harem · alpha-mc · monsters · polyamory · first-contact · violent-conflict · space · forced-proximity · action-adventure · barbarians · kind-mc

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Hearts of Stone

by Miranda Bridges

4.17 · 72 ratings

aliens · fiction · action-adventure · dark · sci-fi · adult · romance · book · steamy · kidnapping · paranormal · contemporary · violent-conflict · alpha-mc · war · female-mc · new-adult · first-contact · invasion · royalty

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Alien Abduction

by Honey Phillips

4.28 · 317 ratings

sci-fi · aliens · romance · book · adult · fiction · alpha-mc · paranormal · steamy · first-contact · other-world · slavery · dark · kidnapping · futuristic · invasion · violent-conflict · humor · action-adventure · female-mc

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Claimings

by Lyn Gala

4.17 · 63 ratings

aliens · fiction · age-gap · lgbtq · adult · sci-fi · mlm · romance · steamy · book · audiobook · paranormal · action-adventure · slow-burn · military · violent-conflict · space · friends-to-lovers · futuristic · female-author

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Roh'ilian Warrior

by Luna Kingsley

3.97 · 51 ratings

female-mc · aliens · fiction · action-adventure · first-contact · military · historical · adult · violent-conflict · sci-fi · invasion · romance · book · paranormal · dark · new-adult · kind-mc · kidnapping · abuse · alpha-mc

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Craving the Heveians

by Ella Blake

4.39 · 46 ratings

fiction · sci-fi · adult · romance · book · fantasy · aliens · fated-mates · action-adventure · multi-pov · audiobook · first-contact · female-author · steamy · space-opera · violent-conflict · invasion · prison · paranormal · insta-love

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Lords of Destra

by Ella Blake

4.38 · 32 ratings

book · adult · fiction · aliens · first-contact · violent-conflict · sci-fi · action-adventure · invasion · steamy · space-opera · fated-mates · humor · romance · kidnapping · forced-proximity · dark · enemies-to-lovers · military · monsters

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The Ladyships

by Bex McLynn

4.25 · 24 ratings

paranormal · book · adult · sci-fi · fiction · romance · space-fleet · military · aliens · action-adventure · humor · futuristic · alpha-mc · steamy · kidnapping · invasion · violent-conflict · female-author · first-contact · dark

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Warrior Clans of Maekon

by Jude Gray

4.06 · 18 ratings

female-mc · aliens · fiction · romance · book · first-contact · steamy · adult · paranormal · sci-fi · space-travel · action-adventure · invasion · kidnapping · violent-conflict · alpha-mc · dark · galactic-empire · psychics · barbarians

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Haalux Empire

by Hattie Jacks

4.37 · 35 ratings

aliens · fiction · invasion · romance · first-contact · adult · violent-conflict · sci-fi · galactic-empire · poc-mc · fantasy · action-adventure · book · steamy · female-mc · futuristic · time-travel · technothriller · anthologies · paranormal

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Anguis Defenders

by Stephanie West

4.06 · 17 ratings

aliens · fiction · new-adult · sci-fi · military · first-contact · alpha-mc · violent-conflict · adult · invasion · book · action-adventure · dark · paranormal · romance · futuristic · steamy · humor · biker · suspense

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