Alien Space Monsters: Similar romance series

Horde Kings of Dakkar

by Zoey Draven

4.12 · 161 ratings

adult · new-adult · fiction · aliens · fated-mates · alpha-mc · dystopia · enemies-to-lovers · paranormal · book · steamy · romance · action-adventure · slow-burn · forced-proximity · audiobook · barbarians · magic · dark · female-mc

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Zorn Warriors

by Laurann Dohner

3.88 · 127 ratings

romance · steamy · paranormal · aliens · fiction · adult · sci-fi · insta-love · space-travel · supernatural · kidnapping · contemporary · audiobook · fighter · space · alpha-mc · futuristic · dark · book · warriors

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Tornians

by M.K. Eidem

4.18 · 208 ratings

paranormal · aliens · fiction · sci-fi · adult · romance · steamy · space · warriors · book · royalty · alpha-mc · audiobook · futuristic · contemporary · action-adventure · space-opera · children · new-adult · other-world

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Warriors of Luxiria

by Zoey Draven

4.02 · 148 ratings

paranormal · steamy · book · romance · new-adult · sci-fi · adult · fated-mates · aliens · fiction · alpha-mc · forced-proximity · audiobook · dark · captivity · fighter · other-world · kidnapping · action-adventure · military

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Galactic Gladiators

by Anna Hackett

4.32 · 306 ratings

adult · sci-fi · aliens · fiction · romance · book · invasion · violent-conflict · military · first-contact · warriors · audiobook · paranormal · steamy · action-adventure · alpha-mc · space · suspense · female-mc · supernatural

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Zion Warriors

by S.E. Smith

4.21 · 51 ratings

steamy · book · romance · sci-fi · adult · futuristic · aliens · fiction · paranormal · alpha-mc · cyborgs · audiobook · time-travel · insta-love · military · action-adventure · humor · warriors · poc-mc · female-mc

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Imperial

by M.K. Eidem

4.32 · 63 ratings

adult · space-opera · sci-fi · aliens · fiction · alpha-mc · audiobook · paranormal · book · other-world · romance · violent-conflict · military · action-adventure · war · futuristic · space · steamy · space-travel · humor

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Paladins of Darkness

by Alexis Morgan

4.07 · 147 ratings

paranormal · book · romance · supernatural · adult · fantasy · fiction · contemporary · urban-fantasy · warriors · aliens · immortality · alpha-mc · vampires · other-world · steamy · magic · north-america · usa · philosophy

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Interstellar Brides Program

by Grace Goodwin

4.07 · 330 ratings

paranormal · aliens · sci-fi · romance · fiction · adult · steamy · action-adventure · military · book · other-world · audiobook · shapeshifters · genetic-engineering · insta-love · vampires · futuristic · contemporary · polyamory · alpha-mc

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Aliens Overnight

by Robin L. Rotham

3.64 · 41 ratings

romance · other-world · book · steamy · supernatural · paranormal · space · alpha-mc · futuristic · aliens · fiction · warriors · action-adventure · sci-fi · adult · bdsm · mlm · love-triangle · humor · kidnapping

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Tsenturion Masters

by Lee Savino

4.12 · 39 ratings

sci-fi · adult · aliens · fiction · book · steamy · dark · futuristic · paranormal · forced-proximity · alpha-mc · kidnapping · romance · captivity · insta-love · soldiers · sexual-assault · military · action-adventure · humor

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Alien Warrior

by Penelope Fletcher

4.00 · 46 ratings

space · paranormal · book · steamy · romance · adult · dark · sci-fi · aliens · fiction · suspense · abuse · harem · kidnapping · reverse-harem · polyamory · warriors · futuristic · alpha-mc · enemies-to-lovers

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Alien Enslaved

by Kaitlyn O'Connor

3.60 · 56 ratings

dark · sci-fi · book · steamy · romance · alpha-mc · paranormal · aliens · fiction · adult · barbarians · reverse-harem · kidnapping · space · contemporary · futuristic · slavery · polyamory · supernatural · warriors

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Divinity Warriors

by Michelle M. Pillow

3.85 · 41 ratings

paranormal · alpha-mc · audiobook · other-world · book · steamy · romance · adult · futuristic · warriors · fiction · aliens · exploration · urban-fantasy · space-travel · sword-sorcery · historical · first-contact · military · action-adventure

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Prison Planet

by Emmy Chandler

3.95 · 66 ratings

fiction · suspense · prison · romance · captivity · steamy · book · dark · sci-fi · adult · action-adventure · aliens · space · alpha-mc · paranormal · audiobook · dystopia · fighter · forced-proximity · futuristic

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The Arcadians

by Laurie Roma

4.04 · 26 ratings

book · reverse-harem · shapeshifters · romance · warriors · aliens · fiction · psychics · dragons · sci-fi · paranormal · magic · adult · polyamory · steamy · fated-mates · royalty · alpha-mc · drama · futuristic

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Distant Worlds

by Kelly Lucille

4.12 · 42 ratings

adult · sci-fi · action-adventure · warriors · aliens · fiction · paranormal · romance · book · shapeshifters · futuristic · alpha-mc · space · steamy · magic · humor · female-mc · outlaws · royalty · kidnapping

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Brion Brides

by Vi Voxley

4.06 · 84 ratings

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

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Zarronian Warriors

by Mardi Maxwell

3.87 · 30 ratings

warriors · aliens · fiction · sci-fi · book · steamy · adult · dark · kidnapping · futuristic · romance · paranormal · witches-wizards · psychics · other-world · magic · alpha-mc · action-adventure · fated-mates · space

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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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Alien Protectors

by Zena Zion

3.63 · 19 ratings

book · aliens · fiction · sci-fi · adult · alpha-mc · futuristic · other-world · steamy · warriors · fighter · space · paranormal · romance · military · violent-conflict · kidnapping · action-adventure · billionaire · contemporary

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Space Beasts

by Alyssa Ezra

3.55 · 11 ratings

aliens · fiction · romance · captivity · steamy · book · fighter · adult · bodyguard · dark · sci-fi · insta-love · alpha-mc · royalty · action-adventure · warriors · futuristic · contemporary · myths · military

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The Mating Games

by Catty Diva

3.93 · 27 ratings

shapeshifters · bodyguard · book · paranormal · aliens · fiction · adult · fighter · sci-fi · space-opera · alpha-mc · supernatural · romance · first-contact · law-enforcement · royalty · demons · fantasy · captivity · violent-conflict

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