The Darkest Day: Similar series
Dark World Mates
by Olivia Riley
3.87 · 171 ratings
strong heroine · science fiction · aliens · military · m-f · possessive hero · multicultural · monsters · graphic-violence · futuristic · alpha male · death · non-human-hero · survival · abduction · third-person-pov · forced proximity · slow burn · creative-anatomy · from hate to love
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Naga Brides
by Naomi Lucas
3.81 · 252 ratings
monsters · aliens · explicit-open-door · science fiction · non-human-hero · dual-pov · m-f · possessive hero · creative-anatomy · alpha male · death · futuristic · fantasy · length-medium · insta-love · breeding · slow burn · graphic-violence · multicultural · sweet-hero
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The Kurtherian Gambit
by Michael Anderle
4.42 · 189 ratings
vampires · paranormal · aliens · military · shapeshifters · fantasy · werewolves · urban fantasy · suspense · length-medium · science fiction · magic · young adult · humor · new adult · strong heroine · death · mystery · gifted heroine · length-short
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Confederation of Valor
by Tanya Huff
4.09 · 152 ratings
strong heroine · war · futuristic · military · aliens · science fiction · survival · length-medium · fantasy · humor · paranormal · length-long · queer · time travel · mystery · suspense · pirates · m-f
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In Her Name: Redemption
by Michael R. Hicks
4.22 · 86 ratings
military · length-medium · aliens · fantasy · dystopian · paranormal · science fiction · contemporary · urban fantasy · magic · war · young adult
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Dred Chronicles
by Ann Aguirre
4.02 · 80 ratings
m-f · urban fantasy · futuristic · science fiction · dystopian · length-medium · open-door · aliens · military · war · graphic-violence · suspense · competent heroine · dark · contemporary · alpha male · outlaw-heroine · survival · strong heroine · tortured heroine
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The Adventures of a Xeno-Archaeologist
by Jenny Schwartz
4.28 · 122 ratings
military · futuristic · science fiction · aliens · length-short · length-medium · angst · fantasy · found-family · dual-pov · paranormal
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Darkstar Mercenaries
by Anna Carven
4.18 · 143 ratings
creative-anatomy · science fiction · aliens · fated-mates · non-human-hero · length-medium · alpha male · explicit-open-door · strong heroine · m-f · multicultural · abduction · graphic-violence · futuristic · human-trafficking · military · cold hero · possessive hero · dual-pov · virgin hero
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Theirs Not to Reason Why
by Jean Johnson
4.09 · 118 ratings
futuristic · military · science fiction · war · aliens · length-long · length-medium · time travel · urban fantasy
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The Kurtherian Endgame
by Michael Anderle
4.62 · 163 ratings
paranormal · fantasy · military · 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
mystery · queer · military · science fiction · aliens · length-medium · suspense · length-long · found-family · horror · humor
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Unknown
by Wendy Higgins
4.26 · 49 ratings
futuristic · dystopian · science fiction · aliens · military · new adult · length-medium · siblings-bff · length-short · suspense · young adult · urban fantasy
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Disco Space Opera
by Cat Rambo
3.82 · 43 ratings
queer · military · fantasy · found-family · science fiction · length-medium · paranormal · humor · magic · aliens · pirates · mystery · death
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Rebel Wing
by Tracy Banghart
4.18 · 36 ratings
young adult · military · futuristic · science fiction · dystopian · christian · other-man-woman · love triangle · new adult · war · length-medium · mystery · aliens · high fantasy · length-short
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The Ladyships
by Bex McLynn
4.01 · 31 ratings
aliens · science fiction · explicit-open-door · military · non-human-hero · creative-anatomy · abduction · pregnancy · length-medium · futuristic · slavery · men in uniform · black-mc · m-f · sunny hero · dual-pov · cold heroine · humor · tall-heroine · independent heroine
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Genetically Modified
by Holly S. Roberts
4.06 · 34 ratings
shapeshifters · aliens · fantasy · paranormal · dystopian · m-f · military · length-short · suspense · found-family · demons · urban fantasy · strong heroine · futuristic · science fiction · new adult · length-medium · dark · post-apocalyptic · horror
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Blades of Arris
by Starla Night
4.28 · 36 ratings
aliens · science fiction · length-medium · m-f · alpha male · shapeshifters · military · abduction · dual-pov · survival · asexual-hero · from hate to love · futuristic · fantasy · forced proximity · possessive hero · war · independent heroine · suspense · competent heroine
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Shadow Zone Brotherhood
by Dalia Davies
4.00 · 16 ratings
sweet-hero · height-difference · non-human-hero · aliens · science fiction · length-medium · military · survival · m-f · explicit-plentiful · creative-anatomy · competent heroine · cheerful heroine · fighters · breeding · anal sex · dual-pov · forced proximity · paranormal · animal-death
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Zulir Warrior Mates
by Kate Rudolph
3.81 · 21 ratings
science fiction · military · demons · paranormal · angels · aliens · length-short · fantasy · length-medium · heroine athlete · from hate to love · virgin heroine · height-difference · explicit-open-door · forced proximity · bikers · fated-mates
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The Old Ways
by Corin Cain
4.00 · 16 ratings
science fiction · poly · military · reverse harem · length-short · length-medium · paranormal · aliens · royalty · alpha male · menage · fated-mates · fantasy · omegaverse
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Ignisar
by Jess K. Hardy
4.50 · 8 ratings
aliens · humor · science fiction · military · length-medium · length-short · m-f · friends to lovers
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