Planet Alpha
by J.J. Lore
3.58 · 24 ratings
science fiction · futuristic · erotica · poly · length-novella · aliens · menage · bisexual · standalone-first · m-f-m · m-m-f · queer · reverse harem · m-m · first-in-series · m-f · non-human-hero · standalone
Planet Alpha: Similar series
Order of the Unseen
by Molly Doyle
3.65 · 363 ratings
dual-pov · first-person-pov · bdsm · dark · suspense · poly · erotica · daddy-kink · explicit-plentiful · past-abuse · praise-kink · contemporary · new adult · audiobook · bisexual · queer · m-m-f · horror · male-pov · length-novella
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Shadow Bred
by Grace McGinty
4.07 · 277 ratings
shapeshifters · menage · contemporary · poly · m-f · non-human-heroine · reverse harem · montana · usa · m-m-f · standalone-first · magic · north-america · creative-anatomy · omegaverse · standalone · non-human-hero · tortured heroine · queer · bisexual
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Alien Warrior
by Penelope Fletcher
3.85 · 134 ratings
third-person-pov · dual-pov · aliens · futuristic · science fiction · audiobook · alpha male · m-f · abduction · reverse harem · explicit-plentiful · erotica · insta-love · past-sexual-abuse · non-human-hero · dark · rape · virgin hero · dub-con · sweet-hero
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Interstellar Service & Discipline
by Morgan Hawke
4.15 · 99 ratings
menage · poly · bisexual · science fiction · explicit-plentiful · m-m-f · bdsm · futuristic · erotica · alpha male · m-f · double-penetration · anal sex · aliens · dub-con · competent heroine · contemporary · rape · length-novella · abduction
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The Marriage Raffle
by Stasia Black
3.82 · 184 ratings
reverse harem · poly · explicit-plentiful · military · dystopian · arranged marriage · suspense · menage · audiobook · science fiction · third-person-pov · multicultural · dual-pov · double-penetration · m-f-m · standalone-first · futuristic · fantasy · erotica · found-family
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Outlaws
by Elle Kennedy
3.56 · 90 ratings
graphic-violence · dystopian · third-person-pov · survival · exhibitionism · male-pov · futuristic · bad boys · length-medium · explicit-plentiful · science fiction · suspense · menage · contemporary · audiobook · alpha male · erotica · poly · sunny hero · possessive hero
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Men of Eagle Peak
by Mira Stanley
3.82 · 95 ratings
tortured heroine · first-person-pov · mental-trauma · dark · survival · dual-pov · dystopian · tortured hero · forced proximity · age difference · reverse harem · exhibitionism · poly · alpha male · m-f · contemporary · menage · science fiction · daddy-kink · bdsm
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Aliens Overnight
by Robin L. Rotham
3.67 · 58 ratings
alpha male · erotica · poly · bdsm · science fiction · aliens · futuristic · m-f · menage · m-m-f · bisexual · breeding · contemporary · military · first-in-series · standalone-first · length-medium · m-f-m · non-human-hero · bondage
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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 · reverse harem · alpha male · m-m-m · m-m · bdsm · fantasy · length-short · science fiction · aliens · hurt-comfort · men in uniform
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Cold Mark
by Scarlett Dawn
3.71 · 71 ratings
dystopian · science fiction · aliens · new adult · length-novella · menage · futuristic · poly · love triangle · erotica · suspense · m-f-m · other-man-woman · young adult · humor · reverse harem · possessive hero · standalone-first · contemporary · slavery
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Cyberevolution
by Kaitlyn O'Connor
3.90 · 148 ratings
science fiction · reverse harem · erotica · poly · audiobook · aliens · futuristic · alpha male · menage · m-f-m · length-short · contemporary · length-medium · pregnancy · m-f · military · breeding · exhibitionism · humor · m-m
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Dragons in Exile
by Lili Zander
4.06 · 131 ratings
science fiction · shapeshifters · audiobook · futuristic · aliens · length-short · menage · poly · m-f · dragon shifter · anal sex · fantasy · male-pov · m-f-m · erotica · paranormal · possessive hero · first-person-pov · double-penetration · dual-pov
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Worthington Group
by Violet Summers
3.91 · 44 ratings
contemporary · erotica · m-f · north-america · usa · bdsm · michigan · poly · length-novella · standalone-first · bisexual · m-m-f · menage · super rich hero · length-short · office · first-in-series · standalone · alpha male · bondage
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Clans of Kalquor
by Tracy St. John
3.81 · 279 ratings
science fiction · aliens · erotica · futuristic · bdsm · menage · poly · anal sex · bisexual · length-medium · non-human-hero · alpha male · m-m-f · m-m · queer · m-f · m-f-m · length-long · contemporary · length-short
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Alien Clutch
by D. Dove
3.80 · 53 ratings
futuristic · breeding · aliens · dark · bondage · m-m · science fiction · queer · m-m-m · third-person-pov · poly · male-pov · praise-kink · non-trad-hea · anal sex · rape-mc · bdsm · fetish · rape · creative-anatomy
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The Quads of Galafrax
by Angela Castle
3.64 · 47 ratings
science fiction · aliens · futuristic · poly · reverse harem · length-novella · erotica · menage · non-human-hero · curvy heroine · queer · bisexual · m-m-m · abduction · length-short · m-m · alpha male · standalone-first · first-in-series · m-f-m
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Triad
by Kate Pearce
3.84 · 58 ratings
bisexual · audiobook · erotica · science fiction · length-novella · m-m-f · futuristic · aliens · explicit-open-door · menage · queer · military · poly · m-f · anal sex · men in uniform · multicultural · tortured hero · vikings · europe
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Bondmates
by Ann Mayburn
3.89 · 48 ratings
science fiction · menage · erotica · audiobook · aliens · futuristic · queer · bisexual · multicultural · m-f · poly · paranormal · fantasy · psychics · fated-mates · reverse harem · m-m-f · length-medium · creative-anatomy · abduction
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The Arathians
by Nicole Krizek
3.74 · 43 ratings
audiobook · science fiction · aliens · futuristic · m-m · m-f · queer · length-short · standalone-first · poly · first-in-series · erotica · menage · length-medium · m-m-f · paranormal · bisexual · anal sex · fantasy · reverse harem
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Verdantia
by Patricia A. Knight
3.77 · 38 ratings
length-medium · m-f · erotica · bdsm · science fiction · aliens · contemporary · alpha male · futuristic · menage · m-m-f · military · magic · poly · fated-mates · bisexual · fantasy · paranormal · suspense · misogyny
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The Intergalactic Guide to Humans
by Skye MacKinnon
3.89 · 48 ratings
science fiction · length-novella · humor · aliens · multicultural · standalone-first · audiobook · standalone · ic-standalone · first-person-pov · explicit-open-door · non-human-hero · human-trafficking · cold hero · anal sex · possessive hero · cheerful heroine · sweet-hero · dual-pov · sweet heroine
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Planet Alpha
by J.J. Lore
3.58 · 24 ratings
science fiction · futuristic · erotica · poly · length-novella · aliens · menage · bisexual · standalone-first · m-f-m · m-m-f · queer · reverse harem · m-m · first-in-series · m-f · non-human-hero · standalone
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The Beast Masters
by Mandy M. Roth
3.65 · 23 ratings
shapeshifters · werewolves · erotica · men in uniform · futuristic · fantasy · paranormal · menage · length-novella · audiobook · science fiction · aliens · standalone-first · military · first-in-series · bdsm · witches · length-short · breeding · poly
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The Kithran Regenesis
by Dani Worth
3.55 · 20 ratings
m-m-f · erotica · poly · futuristic · bisexual · science fiction · menage · length-novella · aliens · pirates · reverse harem · m-m · m-m-m · queer · standalone-first · first-in-series · tortured heroine · non-human-heroine · m-f · length-short
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