Games like Mundaun
Games like Mundaun include What Remains of Edith Finch, Firewatch, Layers of Fear (2016), SOMA, and Amnesia: A Machine For Pigs. We matched them by the tags players give Mundaun on Steam (Walking Simulator, Hand-drawn, Psychological Horror, Horror, and Stylized): closest matches first, and among equally close ones the better-known games.
What Remains of Edith Finch
Shared: Walking Simulator · Story Rich · First-Person
Firewatch
Shared: Walking Simulator · Adventure · Story Rich
Layers of Fear (2016)
Shared: Psychological Horror · Walking Simulator · Horror
SOMA
Shared: Psychological Horror · Horror · Story Rich
Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · Psychological Horror
Mouthwashing
Shared: Psychological Horror · Horror · Story Rich
Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Horror
Still Wakes the Deep
Shared: Psychological Horror · Horror · Walking Simulator
Poppy Playtime
Shared: Horror · Psychological Horror · Singleplayer
MiSide
Shared: Psychological Horror · Horror · Story Rich
Outlast
Shared: Horror · Psychological Horror · First-Person
Little Nightmares II
Shared: Horror · Adventure · Psychological Horror
Visage
Shared: Psychological Horror · Horror · Walking Simulator
The Park®
Shared: Walking Simulator · Psychological Horror · Horror
Blair Witch
Shared: Horror · Psychological Horror · Adventure
No, I'm not a Human
Shared: Psychological Horror · Horror · Story Rich
Outer Wilds
Shared: Story Rich · Adventure · Exploration
OMORI
Shared: Psychological Horror · Story Rich · Hand-drawn
ROUTINE
Shared: Psychological Horror · Singleplayer · Horror
Garten of Banban
Shared: Horror · Psychological Horror · First-Person
The Beginner's Guide
Shared: Walking Simulator · Story Rich · First-Person
Little Nightmares
Shared: Horror · Adventure · Singleplayer
The Beast Inside
Shared: Horror · Adventure · Psychological Horror
Fears to Fathom - Ironbark Lookout
Shared: Psychological Horror · Horror · Walking Simulator