Planet Alpha

by J.J. Lore

3.45 · 20 ratings

poly · erotica · length-novella · futuristic · science fiction · menage · aliens · m-m-f · m-f-m · bisexual · non-human-hero · queer · m-f · m-m · reverse harem

Planet Alpha: Similar series

Order of the Unseen

by Molly Doyle

3.66 · 334 ratings

bdsm · daddy-kink · poly · erotica · suspense · praise-kink · dark · m-m-f · bisexual · queer · explicit-plentiful · new adult · m-m · audiobook · contemporary · anal sex · possessive hero · bondage · past-abuse · graphic-violence

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Interstellar Service & Discipline

by Morgan Hawke

4.14 · 98 ratings

futuristic · bdsm · bisexual · explicit-plentiful · science fiction · menage · m-m-f · poly · double-penetration · aliens · anal sex · erotica · alpha male · m-f · length-long · length-novella · rape · spanking · abduction · dark

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Aliens Overnight

by Robin L. Rotham

3.67 · 58 ratings

poly · erotica · futuristic · aliens · science fiction · bdsm · alpha male · m-f · breeding · bisexual · m-m-f · menage · bondage · length-short · reverse harem · f-f · explicit-plentiful · queer · anal sex · non-human-hero

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Deep Space Mission Corps

by Tymber Dalton

3.74 · 72 ratings

contemporary · erotica · poly · menage · explicit-plentiful · queer · bisexual · m-m-f · futuristic · alpha male · m-m-m · m-m · bdsm · fantasy · length-short · reverse harem · science fiction · aliens · men in uniform · hurt-comfort

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Cold Mark

by Scarlett Dawn

3.71 · 71 ratings

new adult · dystopian · science fiction · aliens · menage · length-novella · futuristic · poly · love triangle · suspense · m-f-m · erotica · other-man-woman · reverse harem · multicultural · possessive hero · humor · young adult · contemporary · slavery

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Cyberevolution

by Kaitlyn O'Connor

3.90 · 148 ratings

science fiction · erotica · poly · audiobook · reverse harem · menage · alpha male · futuristic · aliens · length-short · m-f-m · contemporary · pregnancy · length-medium · m-f · breeding · exhibitionism · humor · military · double-penetration

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Dragons in Exile

by Lili Zander

4.06 · 131 ratings

audiobook · shapeshifters · science fiction · futuristic · menage · aliens · length-short · dragon shifter · poly · m-f · anal sex · paranormal · erotica · m-f-m · male-pov · fantasy · dual-pov · double-penetration · first-person-pov · possessive hero

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Vakarran Captives

by Sara Fields

3.82 · 57 ratings

audiobook · suspense · science fiction · length-short · futuristic · reverse harem · poly · menage · abduction · dystopian · bdsm · m-f-m · dark · aliens · fantasy · spanking · m-f · virgin heroine · dub-con · fetish

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Clans of Kalquor

by Tracy St. John

3.82 · 278 ratings

science fiction · aliens · futuristic · erotica · bdsm · menage · poly · anal sex · bisexual · length-medium · non-human-hero · alpha male · m-m-f · m-f · m-m · queer · length-long · m-f-m · contemporary · length-short

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Oath Forger

by Nia Mars

3.92 · 68 ratings

human-trafficking · war · possessive hero · military · first-person-pov · insta-love · class difference · men in uniform · age difference · aliens · fated-mates · futuristic · reverse harem · length-short · independent heroine · super rich hero · nerdy-hero · shy heroine · science fiction · royalty

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Warriors of Hades

by Jenika Snow

3.47 · 39 ratings

science fiction · menage · poly · erotica · alpha male · length-novella · possessive hero · reverse harem · breeding · aliens · non-human-hero · m-f-m · dystopian · dub-con · m-f · human-trafficking · insta-love · slavery · abduction · explicit-plentiful

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Resonance Mates

by Bianca D'Arc

3.95 · 62 ratings

science fiction · aliens · futuristic · erotica · menage · dystopian · contemporary · length-medium · length-short · poly · bdsm · m-f-m · pregnancy · fantasy · cowboys · military · men in uniform · paranormal

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Enslaved

by Kaitlyn O'Connor

3.85 · 37 ratings

aliens · science fiction · futuristic · length-short · poly · audiobook · reverse harem · erotica · contemporary · cruel hero · m-f · menage · m-f-m · pregnancy · possessive hero · tortured heroine · bdsm · alpha male · non-human-hero

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Fallon Mates

by Jory Strong

3.83 · 73 ratings

science fiction · erotica · futuristic · menage · aliens · poly · contemporary · alpha male · m-f-m · length-medium · explicit-plentiful · length-novella · paranormal · fantasy · reverse harem · breeding · length-short · demons · single-mother · bisexual

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Captive Brides

by Sara Fields

3.27 · 55 ratings

audiobook · science fiction · menage · poly · m-f-m · bdsm · futuristic · reverse harem · dub-con · paranormal · men in uniform · m-f · abduction · dystopian · explicit-plentiful · bondage · spanking · possessive hero · aliens · fantasy

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The Virgin Auctions

by Jenika Snow

3.47 · 53 ratings

erotica · virgin heroine · m-f · super rich hero · futuristic · science fiction · human-trafficking · bdsm · slavery · length-novella · possessive hero · m-f-m · menage · poly · reverse harem · tortured heroine · alpha male · spanking · poor heroine · bodyguard-hero

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Bondmates

by Ann Mayburn

3.90 · 47 ratings

science fiction · menage · futuristic · aliens · erotica · audiobook · reverse harem · fated-mates · bisexual · psychics · queer · fantasy · length-medium · paranormal · m-m-f · poly · bdsm · length-short · m-m · abduction

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Triad

by Kate Pearce

3.87 · 55 ratings

bisexual · science fiction · erotica · audiobook · aliens · futuristic · m-m-f · length-novella · queer · menage · explicit-open-door · m-f · poly · military · europe · explicit-plentiful · m-m · scandinavia · anal sex · vikings

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The Arathians

by Nicole Krizek

3.73 · 42 ratings

science fiction · audiobook · futuristic · aliens · length-short · m-m · queer · m-f · menage · length-medium · m-m-f · poly · erotica · reverse harem · bisexual · anal sex · fantasy · paranormal

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Verdantia

by Patricia A. Knight

3.77 · 38 ratings

science fiction · length-medium · erotica · m-f · bdsm · futuristic · aliens · contemporary · alpha male · magic · fated-mates · bisexual · fantasy · menage · m-m-f · military · poly · urban fantasy · bondage · length-short

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Trigon Rituals

by Angelia Whiting

3.48 · 20 ratings

science fiction · aliens · menage · m-f-m · length-medium · angels · poly · erotica · contemporary · futuristic · breeding · reverse harem · alpha male · m-f · bdsm

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Planet Alpha

by J.J. Lore

3.45 · 20 ratings

poly · erotica · length-novella · futuristic · science fiction · menage · aliens · m-m-f · m-f-m · bisexual · non-human-hero · queer · m-f · m-m · reverse harem

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The Kithran Regenesis

by Dani Worth

3.53 · 19 ratings

m-m-f · poly · erotica · futuristic · bisexual · science fiction · menage · length-novella · aliens · pirates · reverse harem · m-m · m-m-m · queer · m-f · tortured heroine · non-human-heroine · length-short · queer-awakening

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A Jane Austen Space Opera

by Joely Sue Burkhart

3.89 · 18 ratings

fantasy · futuristic · steampunk · bdsm · science fiction · poly · erotica · aristocratic heroine · m-f-m · explicit-open-door · fem-dom · length-novella · menage · competent heroine · political-intrigue · anal sex · exhibitionism · length-short · war · bondage

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