Intergalactic Alliance: Similar romance series

House of Kaimar

by Miranda Bridges

4.13 · 112 ratings

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

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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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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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Fated Mates of the Kalixian Warriors

by Presley Hall

4.22 · 161 ratings

romance · book · paranormal · aliens · fiction · fated-mates · adult · sci-fi · space · female-mc · humor · invasion · audiobook · action-adventure · first-contact · violent-conflict · steamy · alpha-mc · kind-mc · kidnapping

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Dark World Mates

by Olivia Riley

3.97 · 60 ratings

aliens · fiction · adult · sci-fi · book · romance · action-adventure · female-mc · violent-conflict · first-contact · invasion · alpha-mc · slow-burn · military · space · suspense · paranormal · prison · monsters · space-opera

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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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Seven Brides for Seven Alien Brothers

by Honey Phillips

4.32 · 91 ratings

book · sci-fi · adult · aliens · fiction · invasion · colonization · first-contact · violent-conflict · paranormal · small-town · romance · futuristic · alpha-mc · fated-mates · steamy · monsters · forced-proximity · kidnapping · dark

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Sarazen Saga

by Isabel Wroth

4.15 · 52 ratings

aliens · fiction · paranormal · romance · book · shapeshifters · sci-fi · adult · fated-mates · contemporary · alpha-mc · invasion · first-contact · violent-conflict · space · steamy · kind-mc · insta-love · space-opera · children

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The Ujal

by Erin Tate

4.04 · 92 ratings

romance · shapeshifters · steamy · paranormal · aliens · fiction · adult · book · sci-fi · space-travel · invasion · galactic-empire · exploration · humor · mermaids · first-contact · violent-conflict · colonization · insta-love · supernatural

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Roh'ilian Warrior

by Luna Kingsley

3.97 · 51 ratings

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

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Azziarin

by Hannah Davenport

4.00 · 72 ratings

paranormal · invasion · romance · violent-conflict · adult · sci-fi · action-adventure · aliens · fiction · steamy · book · first-contact · warriors · space · alpha-mc · fated-mates · futuristic · kidnapping · amnesia · military

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The Ravager Chronicles

by Sara Page

3.86 · 42 ratings

sci-fi · adult · polyamory · aliens · fiction · paranormal · book · reverse-harem · steamy · romance · space-opera · action-adventure · poc-mc · space · military · fated-mates · royalty · space-travel · dark · demons

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Darverius, House of DaR

by Jennifer Julie Miller

4.32 · 69 ratings

aliens · fiction · adult · violent-conflict · invasion · alpha-mc · first-contact · book · female-mc · sci-fi · romance · futuristic · fated-mates · action-adventure · humor · steamy · paranormal · genetic-engineering · animals · crime

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Warriors of Karal

by Harmony Raines

4.18 · 38 ratings

action-adventure · paranormal · sci-fi · galactic-empire · space-travel · first-contact · contemporary · adult · violent-conflict · invasion · romance · steamy · book · colonization · aliens · exploration · fiction · warriors · dystopia · genetic-engineering

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Zyanthan Warriors

by Julie K. Cohen

4.22 · 50 ratings

action-adventure · humor · galactic-empire · invasion · romance · sci-fi · first-contact · adult · violent-conflict · fiction · aliens · paranormal · book · fated-mates · mystery · steamy · dark · sexual-assault · fantasy · alpha-mc

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Planet of Desire

by Robin Lovett

3.60 · 25 ratings

steamy · book · romance · paranormal · space · fated-mates · aliens · fiction · action-adventure · sci-fi · adult · military · invasion · forced-proximity · violent-conflict · first-contact · enemies-to-lovers · war · lgbtq · captivity

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Warrior Clans of Maekon

by Jude Gray

4.06 · 18 ratings

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

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Brides of the Zuldrux Warriors

by Ava Ross

4.27 · 30 ratings

barbarians · colonization · steamy · book · romance · space · paranormal · fantasy · aliens · fiction · monsters · fated-mates · adult · female-author · sci-fi · urban-fantasy · warriors · humor · kind-mc · invasion

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