Games like Thief's Roulette
Games like Thief's Roulette include Outer Wilds, The Talos Principle, The Room 4: Old Sins, What Remains of Edith Finch, and The Room. We matched them by the tags players give Thief's Roulette on Steam (Puzzle, Adventure, First-Person, Sci-fi, and Visual Novel): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Adventure · Puzzle · Story Rich

The Talos Principle
Shared: Puzzle · First-Person · Sci-fi

The Room 4: Old Sins
Shared: Puzzle · Adventure · Point & Click

What Remains of Edith Finch
Shared: First-Person · Adventure · Story Rich

The Room
Shared: Puzzle · Adventure · Point & Click

Firewatch
Shared: Adventure · First-Person · Story Rich

Blue Prince
Shared: Puzzle · First-Person · Mystery

The Room Three
Shared: Puzzle · Adventure · Point & Click

Zero Escape: The Nonary Games
Shared: Puzzle · Visual Novel · Story Rich

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Puzzle · Story Rich

The Room Two
Shared: Puzzle · Point & Click · Adventure

Return of the Obra Dinn
Shared: Puzzle · Mystery · Story Rich

Chants of Sennaar
Shared: Puzzle · Adventure · Point & Click

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Adventure · Anime

Superliminal
Shared: Puzzle · First-Person · Psychological

Obduction
Shared: Puzzle · Adventure · First-Person

The House of Da Vinci
Shared: Puzzle · Point & Click · Adventure

Zero Escape: Zero Time Dilemma
Shared: Puzzle · Visual Novel · Adventure

Quern - Undying Thoughts
Shared: Puzzle · Adventure · First-Person

Portal 2
Shared: Puzzle · First-Person · Story Rich

Riven
Shared: Puzzle · Adventure · First-Person

The Turing Test
Shared: Puzzle · First-Person · Sci-fi

Fran Bow
Shared: Puzzle · Adventure · Point & Click

Call of the Sea
Shared: Puzzle · Adventure · First-Person