The Darkest Day: Similar series
Paradox
by Rachel Bach
4.06 · 150 ratings
aliens · mystery · dangerous heroine · futuristic · independent heroine · war · military · first-person-pov · warrior-heroine · science fiction · shapeshifters · m-f · audiobook · urban fantasy · sweet-hero · competent heroine · strong heroine · age difference · bodyguard-hero · death
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Sirantha Jax
by Ann Aguirre
3.90 · 242 ratings
urban fantasy · m-f · audiobook · strong heroine · science fiction · length-medium · aliens · cold hero · futuristic · contemporary · commander · fantasy · paranormal · military · open-door · behind-doors · alpha male · slow burn · from hate to love · dystopian
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Vrisha Warriors
by Olivia Riley
4.00 · 159 ratings
aliens · futuristic · non-human-hero · science fiction · m-f · audiobook · dual-pov · forced proximity · monsters · caretaking · military · explicit-open-door · fighters · length-medium · from hate to love · competent heroine · cold hero · graphic-violence · forbidden love · torture-mcs
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The Kurtherian Gambit
by Michael Anderle
4.42 · 190 ratings
fantasy · aliens · vampires · shapeshifters · urban fantasy · audiobook · military · werewolves · suspense · paranormal · science fiction · length-medium · magic · young adult · humor · new adult · death · strong heroine · mystery · length-short
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Dred Chronicles
by Ann Aguirre
4.02 · 80 ratings
dystopian · length-medium · open-door · urban fantasy · m-f · futuristic · aliens · science fiction · military · war · strong heroine · suspense · dark · graphic-violence · competent heroine · tortured heroine · survival · alpha male · audiobook · contemporary
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Earth Girl
by Janet Edwards
3.99 · 74 ratings
aliens · science fiction · dystopian · audiobook · young adult · length-medium · futuristic · military
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Darkstar Mercenaries
by Anna Carven
4.17 · 144 ratings
creative-anatomy · non-human-hero · audiobook · science fiction · aliens · fated-mates · explicit-open-door · alpha male · length-medium · strong heroine · m-f · futuristic · multicultural · abduction · military · graphic-violence · cold hero · human-trafficking · possessive hero · dual-pov
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Theirs Not to Reason Why
by Jean Johnson
4.09 · 118 ratings
futuristic · science fiction · military · aliens · war · length-long · length-medium · urban fantasy · time travel
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The Kurtherian Endgame
by Michael Anderle
4.62 · 163 ratings
military · audiobook · paranormal · fantasy · aliens · science fiction · vampires · young adult · length-medium · magic · urban fantasy · shapeshifters · length-long · dystopian
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Axiom
by Tim Pratt
3.88 · 64 ratings
queer · military · aliens · mystery · science fiction · length-medium · audiobook · length-long · suspense · humor · found-family · horror
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The Prime Chronicles
by Monette Michaels
3.84 · 54 ratings
futuristic · science fiction · aliens · length-medium · military · alpha male · m-f · breeding · fated-mates · anal sex · pirates · non-human-hero · cruel hero · erotica · length-novella
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The Ladyships
by Bex McLynn
4.09 · 37 ratings
military · non-human-hero · explicit-open-door · aliens · creative-anatomy · abduction · science fiction · length-medium · pregnancy · futuristic · tall-heroine · slavery · black-mc · curvy heroine · forced proximity · humor · misogyny · length-short · independent heroine · men in uniform
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Xian Warriors
by Regine Abel
4.25 · 124 ratings
audiobook · m-f · science fiction · military · non-human-hero · humor · aliens · futuristic · multicultural · creative-anatomy · competent heroine · explicit-open-door · suspense · fated-mates · strong heroine · virgin hero · gifted heroine · war · length-medium · length-short
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Saving Caeorleia
by Alicia Nordwell
3.83 · 32 ratings
aliens · science fiction · queer · m-m · futuristic · military · length-medium · multicultural · fantasy · from hate to love · abuse · vampires · dystopian · war · height-difference · rape · explicit-plentiful · hurt-comfort · audiobook · past-abuse
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The Lost Fleet
by Sarah Hawke
4.28 · 49 ratings
military · audiobook · length-medium · harems · science fiction · aliens · explicit-plentiful · futuristic · breeding · poly · m-f-f · male-pov · war · anal sex · pregnancy
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Taking Shield
by Anna Butler
4.26 · 44 ratings
m-m · military · science fiction · queer · length-medium · aliens · hurt-comfort · futuristic · war · explicit-plentiful
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Star-Crossed Tales
by J.M. Page
3.54 · 29 ratings
christian · futuristic · science fiction · young adult · legends & fairy tales · humor · military · multicultural · fantasy · aliens · length-medium · cheerful heroine · career professional · glimpses-kisses · class difference · length-short · fated-mates · royalty · tortured hero · sports
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The Intergalactic Union
by Natasha Campbell-Jones
3.40 · 15 ratings
m-m · military · past-abuse · first-person-pov · tortured heroine · mental-trauma · torture-mcs · fem-dom · non-human-hero · abuse-non-mc · human-trafficking · sunny hero · war · praise-kink · survival · sweet-hero · third-person-pov · strong heroine · dystopian · vengeance
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Warriors
by L.P. Peace
4.33 · 18 ratings
science fiction · fantasy · length-short · length-medium · aliens · futuristic · reverse harem · military · past-sexual-abuse · non-human-hero · black-mc · death · slavery · east-asian-mc · tall-heroine · shy-hero · second chances · forced proximity · dangerous heroine · fated-mates
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The Old Ways
by Corin Cain
4.06 · 17 ratings
science fiction · audiobook · paranormal · military · poly · reverse harem · length-medium · length-short · aliens · menage · alpha male · fated-mates · royalty · fantasy · omegaverse · length-epic
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Blue Planet Warriors
by Maia Starr
4.10 · 20 ratings
aliens · science fiction · futuristic · military · length-medium · length-novella · multicultural · humor
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