Games like DREAMSTAIRS
Games like DREAMSTAIRS include POOLS, The Exit 8, What Remains of Edith Finch, Platform 8, and Layers of Fear (2016). We matched them by the tags players give DREAMSTAIRS on Steam (Walking Simulator, Psychological Horror, Realistic, Atmospheric, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

POOLS
Shared: Walking Simulator · Psychological Horror · Realistic

The Exit 8
Shared: Walking Simulator · Exploration · Psychological Horror

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

Platform 8
Shared: Psychological Horror · Walking Simulator · Simulation

Layers of Fear (2016)
Shared: Psychological Horror · Walking Simulator · Atmospheric

Firewatch
Shared: Walking Simulator · Atmospheric · Exploration

The Cabin Factory
Shared: Psychological Horror · Walking Simulator · Immersive Sim

Scanner Sombre
Shared: Walking Simulator · Exploration · Atmospheric

MiSide
Shared: Psychological Horror · Atmospheric · 3D

September 7th
Shared: Walking Simulator · Psychological Horror · Exploration

Subliminal
Shared: Psychological Horror · Realistic · Atmospheric

INFRA
Shared: Walking Simulator · Atmospheric · Exploration

Internet Cafe Simulator 2
Shared: Exploration · Simulation · 3D

SOMA
Shared: Psychological Horror · Atmospheric · Exploration

The Witness
Shared: Exploration · Atmospheric · Walking Simulator

There Exists Nobody
Shared: Walking Simulator · Psychological Horror · Immersive Sim

Summer of '58
Shared: Psychological Horror · Walking Simulator · Atmospheric

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Atmospheric · Psychological Horror

Visage
Shared: Psychological Horror · Atmospheric · Walking Simulator

Fears to Fathom - Ironbark Lookout
Shared: Psychological Horror · Atmospheric · Exploration

Backrooms: Escape Together
Shared: Psychological Horror · Atmospheric · Realistic

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

DON'T SCREAM
Shared: Psychological Horror · Walking Simulator · Atmospheric

ROUTINE
Shared: Psychological Horror · Atmospheric · Singleplayer