Hard R rated sci-fi books
114 booksSci-fi books with intense mature content including graphic gore, extreme violence, or disturbing themes. For adult readers who are comfortable with dark content.
The Deep
Hard RPrimitive War Dispatches Volume II
Hard R
The Poppy War
Hard R
Blood Meridian
Hard R
Primal - A Friday The 13th Story
Hard R
How to Populate a Planet: A Sci-Fi Adventure
Hard R
Nightshade
Hard R
Venus Preserved
Hard R
Armageddon: Season of Fire (Warhammer 40,000)
Hard R
Joyride
Hard R
She Wakes
Hard RSharp Ends
Hard R
Cuts
Hard R
Header 2
Hard R
Gast
Hard R
Prime
Hard R
UNLIMITED COMBAT DOLLS
Hard R
Hitting Hard And Taking Bounties: A LitRPG and GameLit Series.
Hard R
The Complete Aliens Omnibus: Volume One (Earth Hive, Nightmare Asylum, The Female War)
Hard R
BioHell
Hard R
Terminus: A LitRPG and GameLit Series.
Hard R
Legends of the Waaagh! (Warhammer 40,000)
Hard R
The Incarnations
Hard REra of Ruin
Hard R
The Lunatic Cafe
Hard R
The Lazarus Heart
Hard R
Allhallow's Eve
Hard R
Lost Souls
Hard R
Dark Water Book Two
Hard RMorning Star
Hard R