Games like In These Hallowed Halls
Games like In These Hallowed Halls include Poppy Playtime, Little Nightmares II, What Remains of Edith Finch, SOMA, and No, I'm not a Human. We matched them by the tags players give In These Hallowed Halls on Steam (Singleplayer, Adventure, Psychological Horror, Puzzle, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Singleplayer · Puzzle · Psychological Horror

Little Nightmares II
Shared: Adventure · Singleplayer · Puzzle

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

SOMA
Shared: Psychological Horror · Singleplayer · Horror

No, I'm not a Human
Shared: Psychological Horror · Singleplayer · Choices Matter

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

Firewatch
Shared: Adventure · Singleplayer · Walking Simulator

Garten of Banban
Shared: Singleplayer · Psychological Horror · Puzzle

Little Nightmares
Shared: Adventure · Singleplayer · Puzzle

The Coffin of Andy and Leyley
Shared: Psychological Horror · Singleplayer · Multiple Endings

Sally Face - Episode One
Shared: Psychological Horror · Adventure · Puzzle

ROUTINE
Shared: Singleplayer · Psychological Horror · Adventure

SILENT HILL 2
Shared: Psychological Horror · Singleplayer · Adventure

Outer Wilds
Shared: Adventure · Exploration · Puzzle

The Casting of Frank Stone™
Shared: Singleplayer · Adventure · Multiple Endings

Fran Bow
Shared: Psychological Horror · Puzzle · Adventure

Five Nights at Freddy's: Security Breach
Shared: Singleplayer · Multiple Endings · Adventure

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

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

Inside the Backrooms
Shared: Puzzle · Psychological Horror · Adventure

Garten of Banban 2
Shared: Singleplayer · Puzzle · Psychological Horror

Darkwood
Shared: Adventure · Psychological Horror · Horror

The Room Three
Shared: Adventure · Puzzle · Singleplayer

Layers of Fear 2 (2019)
Shared: Psychological Horror · Singleplayer · Walking Simulator