Games like Stonewall Penitentiary
Games like Stonewall Penitentiary include Firewatch, What Remains of Edith Finch, Outer Wilds, Twelve Minutes, and The Room. We matched them by the tags players give Stonewall Penitentiary on Steam (Adventure, Indie, Mystery, Point & Click, and Nudity): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Mystery · Story Rich

What Remains of Edith Finch
Shared: Mystery · Adventure · Story Rich

Outer Wilds
Shared: Mystery · Adventure · Story Rich

Twelve Minutes
Shared: Adventure · Indie · Mystery

The Room
Shared: Mystery · Point & Click · Adventure

The Room Three
Shared: Adventure · Mystery · Indie

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

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

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

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

Sally Face - Episode One
Shared: Indie · Adventure · Story Rich

Cyberpunk 2077
Shared: Nudity · Story Rich · Singleplayer

Raging Loop
Shared: Adventure · Mystery · Indie

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

Blue Prince
Shared: Mystery · Indie · Adventure

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Story Rich · Nudity

Rusty Lake Paradise
Shared: Indie · Adventure · Point & Click

Servant of the Lake
Shared: Adventure · Point & Click · Indie

The White Door
Shared: Adventure · Indie · Point & Click

In Other Waters
Shared: Adventure · Indie · Point & Click

Kentucky Route Zero: PC Edition
Shared: Adventure · Indie · Point & Click

Draugen
Shared: Mystery · Indie · Adventure

The Forgotten City
Shared: Adventure · Mystery · Indie

The Rewinder
Shared: Adventure · Mystery · Point & Click