R rated sci-fi books

5467 books

Sci-fi books with mature content including explicit sex, graphic violence, or strong language. For adult readers.

Wilderness
Wilderness
Dennis Danvers
R
Operation Bounce House
Operation Bounce House
Matt Dinniman
R
Moon
Moon
James Herbert
R
The Dark
The Dark
James Herbert
R
The Dirty Pair Strike Again
The Dirty Pair Strike Again
Haruka Takachiho
R
Nemesis Games
Nemesis Games
James S. A. Corey
R
The Dark Forest
The Dark Forest
Cixin Liu
R
Stranger in a Strange Land
Stranger in a Strange Land
Robert A. Heinlein
R
Venus War
Venus War
David Vandyke;B V Larson
R
Lords of Uncreation
Lords of Uncreation
Adrian Tchaikovsky
R
Exordia
Exordia
Seth Dickinson
R
Cold Hearts
Cold Hearts
Craig Gallant
R
Overgrowth
Overgrowth
Mira Grant
R
Palaces of the Crow
Palaces of the Crow
Ray Nayler
R
The Last Colony
The Last Colony
John Scalzi
R
The Wrath of God
The Wrath of God
Chris Kennedy;Mark Wandrey
R
Falling with Folded Wings: A LitRPG Progression Fantasy
Falling with Folded Wings: A LitRPG Progression Fantasy
Plum Parrot
R
Dungeon War
Dungeon War
Playwars Aka Alex S Weber
R
The Hackers of Oz
The Hackers of Oz
Tom Mula
R
Time Enough to Die
Time Enough to Die
Lillian Stewart Carl
R
The Paradise Snare
The Paradise Snare
A. C. Crispin
R
Haunted
Haunted
Linda Winstead Jones
R
The Sunken Garden
The Sunken Garden
Nathalia Crane
R
Hammer of God
Hammer of God
John Schettler
R
The Emperor Expects
The Emperor Expects
Gav Thorpe
R
Yellow Brick War
Yellow Brick War
Danielle Paige
R
Squad Kill
Squad Kill
Jack Campbell
R
The Hutt Gambit
The Hutt Gambit
A. C. Crispin
R
Lost in Space
Lost in Space
Joan D. Vinge
R
The Fourth Consort
The Fourth Consort
Edward Ashton
R