Games like The Mysterious Mansion
Games like The Mysterious Mansion include Far Cry® 5, Firewatch, What Remains of Edith Finch, Platform 8, and 35MM. We matched them by the tags players give The Mysterious Mansion on Steam (Simulation, Action-Adventure, Walking Simulator, Exploration, and FPS): closest matches first, and among equally close ones the better-known games.

Far Cry® 5
Shared: Action-Adventure · FPS · Exploration

Firewatch
Shared: Walking Simulator · Atmospheric · Exploration

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · Atmospheric

Platform 8
Shared: Simulation · Walking Simulator · Exploration

35MM
Shared: Walking Simulator · FPS · Hidden Object

September 7th
Shared: Walking Simulator · Exploration · Simulation

POOLS
Shared: Walking Simulator · Exploration · Realistic

Summer of '58
Shared: Walking Simulator · Atmospheric · First-Person

The Mortuary Assistant
Shared: Simulation · Atmospheric · Demons

DON'T SCREAM
Shared: Walking Simulator · First-Person · Exploration

Scanner Sombre
Shared: Walking Simulator · Exploration · First-Person

Bright Lights of Svetlov
Shared: Walking Simulator · Exploration · First-Person

The Exit 8
Shared: Exploration · Walking Simulator · First-Person

The Long Dark
Shared: Exploration · Simulation · First-Person

Receiver 2
Shared: Simulation · FPS · First-Person

Bodycam
Shared: FPS · Realistic · Simulation

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Exploration · First-Person

The Vanishing of Ethan Carter
Shared: Walking Simulator · Exploration · Atmospheric

Crime Scene Cleaner
Shared: Simulation · First-Person · Exploration

Lushfoil Photography Sim
Shared: Exploration · Walking Simulator · Atmospheric

Contraband Police
Shared: Simulation · First-Person · Realistic

The Forest
Shared: Exploration · First-Person · Building

Ready or Not
Shared: FPS · Realistic · First-Person

Tank Mechanic Simulator
Shared: Simulation · Realistic · First-Person