Games like Express No. 6
Games like Express No. 6 include Layers of Fear (2016), The Stanley Parable, Quarantine Zone: The Last Check, Firewatch, and Superliminal. We matched them by the tags players give Express No. 6 on Steam (First-Person, Psychedelic, Realistic, Choices Matter, and Walking Simulator): closest matches first, and among equally close ones the better-known games.
Layers of Fear (2016)
Shared: First-Person · Walking Simulator · Psychedelic
The Stanley Parable
Shared: First-Person · Walking Simulator · Indie
Quarantine Zone: The Last Check
Shared: First-Person · Choices Matter · Realistic
Firewatch
Shared: First-Person · Walking Simulator · Atmospheric
Superliminal
Shared: First-Person · Puzzle · Psychedelic
What Remains of Edith Finch
Shared: First-Person · Walking Simulator · Atmospheric
POOLS
Shared: Realistic · Walking Simulator · First-Person
The Witness
Shared: First-Person · Puzzle · Singleplayer
Garten of Banban
Shared: First-Person · Singleplayer · 3D
Detroit: Become Human
Shared: Choices Matter · Cinematic · Singleplayer
The Cabin Factory
Shared: Choices Matter · Walking Simulator · First-Person
Riven
Shared: First-Person · Puzzle · Singleplayer
Kingdom Come: Deliverance II
Shared: First-Person · Realistic · Singleplayer
Summer of '58
Shared: First-Person · Walking Simulator · Realistic
No, I'm not a Human
Shared: Choices Matter · First-Person · Singleplayer
Platform 8
Shared: Walking Simulator · First-Person · Puzzle
Antichamber
Shared: First-Person · Puzzle · Singleplayer
The Looker
Shared: First-Person · Puzzle · Walking Simulator
MiSide
Shared: First-Person · 3D · Singleplayer
Kingdom Come: Deliverance
Shared: Realistic · First-Person · Singleplayer
ROUTINE
Shared: Singleplayer · Cinematic · First-Person
Poppy Playtime
Shared: First-Person · Singleplayer · Puzzle
The Beginner's Guide
Shared: First-Person · Walking Simulator · Indie
Quern - Undying Thoughts
Shared: First-Person · Puzzle · Walking Simulator