Games like Provenance Unknown: Six Discs
Games like Provenance Unknown: Six Discs include Inscryption, Poppy Playtime, Buckshot Roulette, Bendy and the Ink Machine, and The Room. We matched them by the tags players give Provenance Unknown: Six Discs on Steam (Strategy, Card Game, Dark, Puzzle, and Mystery): closest matches first, and among equally close ones the better-known games.

Inscryption
Shared: Card Game · Dark · Puzzle

Poppy Playtime
Shared: Puzzle · Dark · First-Person

Buckshot Roulette
Shared: Dark · Strategy · First-Person

Bendy and the Ink Machine
Shared: Puzzle · First-Person · Dark

The Room
Shared: Puzzle · Mystery · Singleplayer

The Room Two
Shared: Puzzle · Mystery · Dark

Sally Face - Episode One
Shared: Dark · Puzzle · Mystery

The Room Three
Shared: Puzzle · Mystery · Dark

Balatro
Shared: Card Game · Strategy · Singleplayer

Strange Horticulture
Shared: Puzzle · Mystery · Dark

Firework
Shared: Puzzle · Mystery · 2D

Blue Prince
Shared: Puzzle · Mystery · First-Person

Baba Is You
Shared: Puzzle · Logic · Indie

Hexcells
Shared: Puzzle · Strategy · Logic

LIMBO
Shared: Puzzle · Dark · 2D

Slay the Spire 2
Shared: Card Game · Strategy · Indie

The Case of the Golden Idol
Shared: Mystery · Puzzle · 2D

Slay the Spire
Shared: Card Game · Strategy · Singleplayer

Zup! S
Shared: Puzzle · 2D · Indie

Clue/Cluedo: Classic Edition
Shared: Strategy · Mystery · Puzzle

Cube Escape Collection
Shared: Puzzle · Mystery · Point & Click

Rusty Lake Paradise
Shared: Puzzle · Mystery · Indie

Ultimate Custom Night
Shared: Strategy · Dark · Singleplayer

Mini Metro
Shared: Strategy · Puzzle · 2D