A directory, kept by hand
Read then play.
Games made from books, and a straight answer on whether the novel still matters.
Read first when the game walks the book's plot or starts after its ending. Play first when it is a sandbox, a side story, or loose enough that the book stays intact.
The shelves
See the shelfThe Witcher 3: Wild Hunt
80 Days
Ken Follett's The Pillars of the Earth
Agatha Christie: The ABC Murders
Dune: Spice Wars
Metro 2033
The Invincible
The Hobbit
Sorcery!
Discworld Noir
The Hitchhiker's Guide to the Galaxy
Fantasy
See the shelfThe Witcher 3: Wild Hunt
The Witcher 2: Assassins of Kings
The Witcher
Thronebreaker: The Witcher Tales
The Lord of the Rings Online
The Hobbit
The Hobbit
J.R.R. Tolkien's The Lord of the Rings, Vol. I
Discworld
Discworld II: Missing Presumed...!?
Discworld Noir
The Colour of Magic
The Wheel of Time
Advanced Dungeons & Dragons: Heroes of the Lance
Nine Princes in Amber
Game of Thrones
Game of Thrones: A Telltale Games Series
The Chronicles of Narnia: The Lion, the Witch and the Wardrobe
Harry Potter and the Philosopher's Stone
The Golden Compass
American McGee's Alice
Alice: Madness Returns
Dante's Inferno
Sorcery!
Historical fiction
See the shelf
Science fiction
See the shelfMetro 2033
Metro Exodus
The Hitchhiker's Guide to the Galaxy
Neuromancer
I Have No Mouth, and I Must Scream
Rama
The Invincible
Parasite Eve
Fahrenheit 451
Digital Devil Story: Megami Tensei
Dune
Dune: Spice Wars
Crime
See the shelf
Thriller
See the shelf
Adventure
See the shelf50 sourced entries are in the catalog. A suggestion does not appear here until someone checks it.