Games like Sumigami
Games like Sumigami include Five Nights at Freddy's: Security Breach, Firewatch, Escape the Backrooms, Scanner Sombre, and What Remains of Edith Finch. We matched them by the tags players give Sumigami on Steam (Adventure, Walking Simulator, Exploration, 3D, and Horror): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · Exploration

Firewatch
Shared: Adventure · Walking Simulator · Exploration

Escape the Backrooms
Shared: Horror · Adventure · Exploration

Scanner Sombre
Shared: Walking Simulator · Exploration · Adventure

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

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Horror · Exploration

Stray
Shared: Adventure · Exploration · Singleplayer

Little Nightmares
Shared: Adventure · Horror · Singleplayer

The Exit 8
Shared: Exploration · Walking Simulator · Horror

Bad Parenting 1: Mr. Red Face
Shared: Adventure · Walking Simulator · Horror

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

Little Nightmares II
Shared: Adventure · Horror · Singleplayer

Outer Wilds
Shared: Exploration · Adventure · Singleplayer

Kona
Shared: Adventure · Exploration · Walking Simulator

Amenti
Shared: Adventure · Horror · Exploration

CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Exploration · Horror

Cairn
Shared: Exploration · Adventure · Indie

Journey
Shared: Adventure · Exploration · Walking Simulator

PEAK
Shared: Adventure · Exploration · 3D

Among the Sleep - Enhanced Edition
Shared: Adventure · Horror · Walking Simulator

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · Exploration

Subnautica
Shared: Horror · Exploration · Adventure

Subnautica: Below Zero
Shared: Exploration · Horror · Singleplayer

Valley
Shared: Adventure · Exploration · Indie