Hell Theory: Similar series
The Four Horsemen
by Laura Thalassa
4.06 · 182 ratings
fiction · fantasy · magic · adult · book · enemies-to-lovers · futuristic · slow-burn · apocalyptic · new-adult · dark · post-apocalyptic · romance · steamy · angst · supernatural · urban-fantasy · paranormal · angels · anti-hero
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Wild Wastes
by Randi Darren
4.32 · 101 ratings
harem · book · steamy · post-apocalyptic · litrpg · audiobook · fiction · action-adventure · fantasy · adult · polyamory · fae · paranormal · apocalyptic · futuristic · magic · dark · urban-fantasy · alternate-history · lgbtq
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Wren's Song
by Addison Cain
3.82 · 83 ratings
romance · reverse-harem · book · abuse · steamy · paranormal · cheating · dystopia · domestic-drama · fiction · omegaverse · fantasy · dark · adult · sexual-assault · captivity · kidnapping · suspense · anti-hero · alpha-mc
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Dragon Royals
by May Dawson
4.35 · 64 ratings
fiction · fantasy · new-adult · polyamory · adult · magic · romance · reverse-harem · shapeshifters · book · fae · paranormal · dragons · alpha-mc · female-mc · steamy · royalty · zombies · age-gap · monsters
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The Phoenix Project Duet
by Candice M. Wright
4.20 · 57 ratings
reverse-harem · polyamory · adult · fiction · fantasy · contemporary · genetic-engineering · paranormal · romance · book · military · new-adult · action-adventure · crime · medical · dark · sci-fi · humor · super-powered · friends-to-lovers
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I.S.S.
by M. Sinclair
4.37 · 52 ratings
romance · reverse-harem · shapeshifters · book · steamy · ghosts · supernatural · urban-fantasy · paranormal · monsters · fiction · action-adventure · fantasy · demons · horror · polyamory · military · magic · adult · friends-to-lovers
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Sanctuary
by S.M. Olivier
4.50 · 48 ratings
apocalyptic · futuristic · action-adventure · fiction · adult · polyamory · military · book · reverse-harem · romance · post-apocalyptic · zombies · dystopia · contemporary · fantasy · sci-fi · horror · steamy · paranormal · survival
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Kings of Hell MC
by K.A. Merikan
4.00 · 59 ratings
lgbtq · fiction · fantasy · dark · demons · biker · horror · adult · magic · romance · steamy · book · supernatural · mlm · urban-fantasy · suspense · paranormal · audiobook · crime · ghosts
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Ghost Alpha Unit
by Lenore Rosewood
4.10 · 59 ratings
adult · omegaverse · fiction · paranormal · dystopia · book · romance · dark · military · polyamory · futuristic · fantasy · action-adventure · enemies-to-lovers · steamy · reverse-harem · post-apocalyptic · abuse · mlm · crime
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Dragon Guard
by Debbie Cassidy
4.30 · 42 ratings
action-adventure · fantasy · female-mc · mythical-creatures · dark · sword-sorcery · adult · magic · horror · book · reverse-harem · romance · supernatural · dragons · paranormal · alpha-mc · polyamory · steamy · shapeshifters · urban-fantasy
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Alpha Compound
by Anna Fury
4.02 · 47 ratings
fiction · omegaverse · adult · romance · shapeshifters · contemporary · paranormal · fantasy · fated-mates · futuristic · post-apocalyptic · book · dystopia · dark · supernatural · steamy · forced-proximity · age-gap · action-adventure · family
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Quarantine Omega
by Lizzy Bequin
4.04 · 45 ratings
supernatural · reverse-harem · book · gothic · steamy · romance · dystopia · paranormal · fiction · omegaverse · female-mc · fated-mates · adult · polyamory · dark · sci-fi · genetic-engineering · action-adventure · shapeshifters · post-apocalyptic
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Brutes of Bristlebrook
by Rebecca Quinn
4.32 · 22 ratings
mlm · post-apocalyptic · romance · reverse-harem · book · dystopia · fiction · action-adventure · futuristic · humor · apocalyptic · military · polyamory · adult · sci-fi · steamy · contemporary · forced-proximity · age-gap · dark
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Chronicles of Deadworld
by Debbie Cassidy
4.24 · 34 ratings
supernatural · fiction · romance · paranormal · mythical-creatures · action-adventure · urban-fantasy · reverse-harem · futuristic · adult · shapeshifters · fantasy · horror · demons · dark · polyamory · dystopia · magic · vampires · slow-burn
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New Haven [Season 4]: Kingdom of Ara
by Nicholas Bella
4.40 · 30 ratings
fantasy · paranormal · dragons · romance · shapeshifters · book · steamy · vampires · mlm · abuse · dark · adult · fiction · captivity · urban-fantasy · polyamory · sexual-assault · slavery · suspense · action-adventure
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Princesses of the Ironbound
by Aaron Crash
4.38 · 34 ratings
fiction · fantasy · adult · book · steamy · harem · supernatural · paranormal · sword-sorcery · dark · horror · polyamory · romance · litrpg · audiobook · myths · magic · fae · action-adventure · demons
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Alpha Elite
by V.T. Bonds
3.85 · 33 ratings
fiction · omegaverse · action-adventure · adult · steamy · book · romance · dystopia · paranormal · military · dark · multiverse · fantasy · fated-mates · suspense · sci-fi · abuse · shapeshifters · alpha-mc · gaslamp
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Immortal Coven
by Amara Rae
4.11 · 27 ratings
adult · witches-wizards · fiction · fantasy · paranormal · romance · book · steamy · horror · magic · female-mc · action-adventure · fated-mates · myths · forced-proximity · supernatural · grumpy-mc · demons · alternate-history · age-gap
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Nameless Souls MC
by Evie Mitchell
4.07 · 21 ratings
post-apocalyptic · steamy · suspense · dystopia · romance · sci-fi · biker · adult · futuristic · age-gap · apocalyptic · fiction · action-adventure · paranormal · zombies · contemporary · friends-to-lovers · alpha-mc · book · dark
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Prison World
by Julie K. Cohen
4.00 · 24 ratings
fiction · adult · sci-fi · reverse-harem · book · romance · action-adventure · humor · female-mc · alternate-history · space-travel · space-opera · dark · polyamory · steamy · suspense · aliens · new-adult · military · galactic-empire
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Soul Match
by Morticia Knight
3.89 · 19 ratings
adult · contemporary · sci-fi · aliens · fiction · mlm · lgbtq · book · steamy · romance · slavery · paranormal · dystopia · polyamory · military · action-adventure · dark · abuse · space · bdsm
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Hell Theory
by Lauren Gilley
4.33 · 9 ratings
age-gap · action-adventure · fiction · dark · adult · steamy · book · romance · paranormal · dystopia · fantasy · sci-fi · military · polyamory · horror · dark-fantasy · betrayal · lgbtq · war · urban
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Starlight Chronicles
by Annabel Wolfe
3.44 · 9 ratings
fiction · book · romance · adult · sci-fi · steamy · futuristic · fantasy · aliens · action-adventure · contemporary · military · paranormal · kidnapping · polyamory · dark · shapeshifters · time-travel · space · magic
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Warrior Elite
by V.T. Bonds
4.21 · 14 ratings
adult · omegaverse · action-adventure · fiction · paranormal · steamy · romance · book · dark · sci-fi · fantasy · aliens · audiobook · military · fated-mates · suspense · dystopia · gothic · monsters · abuse
All books in this series ❯