MM Sci-Fi: Similar series
Imperial
by M.K. Eidem
4.32 · 63 ratings
adult · space-opera · sci-fi · aliens · fiction · alpha-mc · audiobook · paranormal · book · other-world · romance · violent-conflict · military · action-adventure · war · futuristic · space · steamy · space-travel · humor
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THIRDS
by Charlie Cochet
4.28 · 206 ratings
paranormal · mlm · shapeshifters · romance · adult · fiction · lgbtq · military · action-adventure · law-enforcement · crime · audiobook · contemporary · in-uniform · suspense · supernatural · urban-fantasy · book · violent-conflict · humor
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Bounty Hunters
by A.E. Via
4.21 · 72 ratings
audiobook · contemporary · mlm · book · steamy · romance · adult · law-enforcement · military · fiction · action-adventure · mystery · lgbtq · crime · family · friends-to-lovers · in-uniform · angst · age-gap · alpha-mc
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Galactic Conspiracies
by Rob Colton
4.00 · 41 ratings
futuristic · alpha-mc · space · paranormal · mlm · book · steamy · romance · adult · military · sci-fi · action-adventure · aliens · fiction · lgbtq · abuse · violent-conflict · insta-love · children · family
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Four Kings Security
by Charlie Cochet
4.15 · 66 ratings
contemporary · book · romance · mlm · bodyguard · adult · lgbtq · fiction · suspense · audiobook · military · law-enforcement · age-gap · action-adventure · humor · in-uniform · steamy · violent-conflict · drama · war
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Claimings
by Lyn Gala
4.17 · 63 ratings
aliens · fiction · age-gap · lgbtq · adult · sci-fi · mlm · romance · steamy · book · audiobook · paranormal · action-adventure · slow-burn · military · violent-conflict · space · friends-to-lovers · futuristic · female-author
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Pykh
by Eileen Glass
4.00 · 48 ratings
lgbtq · action-adventure · aliens · fiction · omegaverse · sci-fi · adult · polyamory · military · book · steamy · romance · mlm · paranormal · survival · humor · space · dystopia · audiobook · age-gap
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Gaven
by J.C. Owens
3.83 · 46 ratings
supernatural · mlm · romance · book · paranormal · action-adventure · fiction · fantasy · lgbtq · adult · historical · magic · angst · vampires · royalty · steamy · shapeshifters · alpha-mc · enemies-to-lovers · age-gap
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Team A.L.P.H.A.
by Susi Hawke
4.12 · 113 ratings
shapeshifters · romance · mlm · paranormal · audiobook · lgbtq · fiction · omegaverse · action-adventure · adult · military · book · supernatural · contemporary · fantasy · fated-mates · family · law-enforcement · steamy · urban-fantasy
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Sci-Regency
by J.L. Langley
3.90 · 88 ratings
futuristic · lgbtq · industrial-era · fiction · sci-fi · historical · adult · romance · book · mlm · war · action-adventure · military · violent-conflict · regency · aliens · steamy · royalty · paranormal · age-gap
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Mending the Rift
by Valentina Heart
3.69 · 32 ratings
children · historical · magic · adult · lgbtq · fantasy · fiction · paranormal · book · romance · royalty · mlm · violent-conflict · military · war · action-adventure · aliens · steamy · supernatural · angst
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Dark Space
by Lisa Henry
4.02 · 42 ratings
book · military · adult · violent-conflict · sci-fi · space-opera · aliens · fiction · action-adventure · futuristic · lgbtq · war · dystopia · space · angst · mlm · romance · dark · mystery · audiobook
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Turbulence
by Lyn Gala
3.92 · 29 ratings
steamy · book · romance · mlm · sci-fi · violent-conflict · adult · military · lgbtq · war · futuristic · action-adventure · fiction · space · dystopia · disability · contemporary · space-opera · bisexuality · slow-burn
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The Blue Solace
by C.W. Gray
4.25 · 66 ratings
sci-fi · mlm · book · romance · paranormal · aliens · action-adventure · fiction · lgbtq · futuristic · adult · shapeshifters · omegaverse · military · children · audiobook · humor · family · abuse · steamy
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Chaos Station
by Jenn Burke
4.16 · 45 ratings
romance · book · steamy · mlm · suspense · billionaire · space · futuristic · lgbtq · war · aliens · fiction · action-adventure · sci-fi · space-opera · military · adult · violent-conflict · friends-to-lovers · second-chances
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Saving Caeorleia
by Alicia Nordwell
3.96 · 26 ratings
military · adult · dark · sci-fi · aliens · fiction · action-adventure · futuristic · lgbtq · dystopia · mlm · abuse · romance · book · steamy · violent-conflict · space-opera · war · family · space
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An Uncommon Whore
by Belinda McBride
3.79 · 34 ratings
futuristic · aliens · fiction · sci-fi · adult · romance · steamy · book · mlm · lgbtq · action-adventure · slavery · abuse · suspense · war · family · dark · space-opera · military · violent-conflict
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Villains in Space
by C. Rochelle
4.60 · 20 ratings
sci-fi · mlm · book · cheerful-mc · romance · forced-proximity · paranormal · grumpy-sunshine · fiction · super-powered · fantasy · aliens · humor · lgbtq · age-gap · adult · grumpy-mc · steamy · found-family · contemporary
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Planet of Desire
by Robin Lovett
3.60 · 25 ratings
steamy · book · romance · paranormal · space · fated-mates · aliens · fiction · action-adventure · sci-fi · adult · military · invasion · forced-proximity · violent-conflict · first-contact · enemies-to-lovers · war · lgbtq · captivity
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Taking Shield
by Anna Butler
4.20 · 25 ratings
adult · violent-conflict · aliens · fiction · lgbtq · book · military · space · sci-fi · space-opera · mlm · action-adventure · romance · war · space-fleet · invasion · politics · slow-burn · family · sad
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Quads of Alpha S
by Kelex
3.56 · 16 ratings
steamy · adult · paranormal · sci-fi · mlm · aliens · fiction · romance · lgbtq · book · polyamory · military · bdsm · bodyguard · space · vampires · action-adventure · age-gap · futuristic · sexual-assault
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Past Imperfect
by Fletcher DeLancey
4.41 · 17 ratings
lgbtq · wlw · fiction · action-adventure · sci-fi · adult · time-travel · book · steamy · romance · paranormal · space · drama · military · workplace · war · age-gap · female-mc · violent-conflict · alpha-mc
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Watcher's Kiss
by Sharon Kay
4.25 · 12 ratings
adult · demons · fiction · fantasy · paranormal · supernatural · romance · book · dark · suspense · steamy · magic · second-chances · age-gap · action-adventure · alpha-mc · secrets · military · death · violent-conflict
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Astral Heat
by Laura Navarre
4.50 · 8 ratings
sci-fi · fiction · space · galactic-empire · adult · lgbtq · paranormal · reverse-harem · steamy · anthologies · romance · myths · mlm · supernatural · book · space-fleet · polyamory · military · space-opera · fantasy
All books in this series ❯