Planet Alpha

by J.J. Lore

3.45 · 20 ratings

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

Planet Alpha: Similar series

Order of the Unseen

by Molly Doyle

3.66 · 303 ratings

bdsm · daddy-kink · suspense · erotica · poly · praise-kink · dark · m-m · new adult · queer · explicit-plentiful · bisexual · audiobook · contemporary · m-m-f · horror · double-penetration · dub-con · dual-pov · length-novella

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Shadow Bred

by Grace McGinty

4.10 · 236 ratings

shapeshifters · menage · contemporary · poly · m-f · non-human-heroine · reverse harem · montana · usa · m-m-f · magic · north-america · creative-anatomy · omegaverse · non-human-hero · bisexual · explicit-plentiful · paranormal · competent heroine · alpha male

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Interstellar Service & Discipline

by Morgan Hawke

4.15 · 94 ratings

bdsm · poly · m-m-f · menage · bisexual · science fiction · futuristic · erotica · alpha male · m-f · aliens · anal sex · explicit-plentiful · double-penetration · slavery · non-human-hero · dub-con · length-long · bondage · dark

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Alien Warrior

by Penelope Fletcher

3.84 · 119 ratings

science fiction · audiobook · dual-pov · third-person-pov · aliens · futuristic · abduction · alpha male · reverse harem · non-human-hero · virgin hero · royalty · rape · poly · erotica · menage · m-f · dub-con · length-long · dark

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Aliens Overnight

by Robin L. Rotham

3.67 · 58 ratings

science fiction · bdsm · alpha male · poly · erotica · futuristic · aliens · m-m-f · menage · m-f · breeding · bisexual · non-human-hero · queer · length-medium · m-f-m · contemporary · military · bondage · length-long

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Deep Space Mission Corps

by Tymber Dalton

3.78 · 71 ratings

bisexual · explicit-plentiful · queer · menage · poly · erotica · contemporary · futuristic · m-m-f · m-m · m-m-m · alpha male · reverse harem · length-short · fantasy · bdsm · science fiction · aliens · double-penetration · tortured hero

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Cold Mark

by Scarlett Dawn

3.71 · 71 ratings

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

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Dragons in Exile

by Lili Zander

4.11 · 128 ratings

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

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Cyberevolution

by Kaitlyn O'Connor

3.92 · 143 ratings

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

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Vakarran Captives

by Sara Fields

3.85 · 56 ratings

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

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Clans of Kalquor

by Tracy St. John

3.83 · 276 ratings

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

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Oath Forger

by Nia Mars

3.92 · 68 ratings

shy heroine · nerdy-hero · aliens · age difference · super rich hero · length-short · fated-mates · futuristic · reverse harem · independent heroine · poly · m-f · alpha male · commander · competent heroine · royalty · science fiction · height-difference · first-person-pov · military

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Warriors of Hades

by Jenika Snow

3.47 · 39 ratings

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

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Resonance Mates

by Bianca D'Arc

3.93 · 58 ratings

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

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The Arcadians

by Laurie Roma

3.98 · 42 ratings

shapeshifters · science fiction · m-f-m · aliens · reverse harem · poly · menage · explicit-plentiful · tortured heroine · mental-trauma · length-medium · non-human-hero · futuristic · possessive hero · contemporary · erotica · alpha male · royalty · class difference · aristocratic heroine

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Captive Brides

by Sara Fields

3.37 · 51 ratings

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

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Bondmates

by Ann Mayburn

3.88 · 46 ratings

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

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Triad

by Kate Pearce

3.97 · 52 ratings

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

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The Arathians

by Nicole Krizek

3.73 · 42 ratings

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

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Verdantia

by Patricia A. Knight

3.82 · 37 ratings

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

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The Intergalactic Guide to Humans

by Skye MacKinnon

4.04 · 42 ratings

science fiction · humor · aliens · length-novella · multicultural · audiobook · menage · male-pov · reverse harem · futuristic · first-person-pov · non-human-hero · m-f-m · childfree-couple · creative-anatomy · abduction · double-penetration · dual-pov · poly · m-f

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Planet Alpha

by J.J. Lore

3.45 · 20 ratings

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

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The Kithran Regenesis

by Dani Worth

3.53 · 19 ratings

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

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A Jane Austen Space Opera

by Joely Sue Burkhart

3.73 · 15 ratings

erotica · poly · science fiction · bdsm · fantasy · steampunk · futuristic · length-novella · political-intrigue · menage · competent heroine · aristocratic heroine · fem-dom · explicit-open-door · m-f-m · exhibitionism · men in uniform · hurt-comfort · m-f · strong heroine

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