Games like Finnish Cottage 8
Games like Finnish Cottage 8 include The Exit 8, Scanner Sombre, Layers of Fear (2016), Poppy Playtime, and What Remains of Edith Finch. We matched them by the tags players give Finnish Cottage 8 on Steam (Psychological Horror, Walking Simulator, First-Person, Horror, and Puzzle): closest matches first, and among equally close ones the better-known games.

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

Scanner Sombre
Shared: Walking Simulator · Horror · Psychological Horror

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

Poppy Playtime
Shared: Horror · First-Person · Puzzle

What Remains of Edith Finch
Shared: Walking Simulator · First-Person · Exploration

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

Platform 8
Shared: Psychological Horror · Walking Simulator · Puzzle

MiSide
Shared: Psychological Horror · Horror · First-Person

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

SOMA
Shared: Psychological Horror · Horror · First-Person

Firewatch
Shared: Walking Simulator · First-Person · Adventure

Garten of Banban
Shared: Psychological Horror · Horror · First-Person

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

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

Psalm 5:9-13
Shared: Psychological Horror · Horror · Walking Simulator

Fears to Fathom - Ironbark Lookout
Shared: Psychological Horror · Horror · First-Person

DON'T SCREAM
Shared: Psychological Horror · Horror · First-Person

Lethal Company
Shared: First-Person · Horror · Psychological Horror

Escape the Backrooms
Shared: Psychological Horror · Horror · First-Person

The Death | Thần Trùng
Shared: Psychological Horror · Horror · Puzzle

Backrooms: Escape Together
Shared: Psychological Horror · Horror · First-Person

Mouthwashing
Shared: Psychological Horror · Horror · Walking Simulator

Still Wakes the Deep
Shared: Psychological Horror · Horror · First-Person

Amnesia: The Dark Descent
Shared: Psychological Horror · Horror · First-Person