Games like Little Town Secrets
Games like Little Town Secrets include Firewatch, Poppy Playtime, Atomic Heart, Choo-Choo Charles, and Metro Exodus. We matched them by the tags players give Little Town Secrets on Steam (Adventure, FPS, 3D, Horror, and Open World): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Singleplayer · Walking Simulator

Poppy Playtime
Shared: Horror · Singleplayer · Puzzle

Atomic Heart
Shared: Adventure · FPS · Open World

Choo-Choo Charles
Shared: Horror · Open World · Singleplayer

Metro Exodus
Shared: FPS · Open World · Singleplayer

Little Nightmares
Shared: Adventure · Horror · Singleplayer

Little Nightmares II
Shared: Adventure · Horror · Singleplayer

Garten of Banban
Shared: Horror · Singleplayer · 3D

Layers of Fear (2016)
Shared: Horror · Adventure · Singleplayer

Outer Wilds
Shared: Adventure · Open World · Puzzle

Inside the Backrooms
Shared: Horror · Adventure · Puzzle

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

MiSide
Shared: Horror · 3D · Singleplayer

Fallout 4
Shared: Open World · Adventure · Singleplayer

The Forest
Shared: Horror · Adventure · Open World

The Room
Shared: Adventure · Puzzle · Singleplayer

Garten of Banban 2
Shared: Horror · Singleplayer · 3D

The Witness
Shared: Open World · Puzzle · Singleplayer

Outlast
Shared: Horror · Singleplayer · First-Person

Buckshot Roulette
Shared: Horror · Singleplayer · 3D

Bendy and the Ink Machine
Shared: Horror · Singleplayer · Puzzle

Ready or Not
Shared: FPS · Singleplayer · Horror

The Room Three
Shared: Adventure · Puzzle · Indie

Sally Face - Episode One
Shared: Horror · Adventure · Indie