Games like Dreaming in the mountains
Games like Dreaming in the mountains include Viewfinder, The Gardens Between, Chants of Sennaar, Portal, and Manifold Garden. We matched them by the tags players give Dreaming in the mountains on Steam (Abstract, Visual Novel, Walking Simulator, Puzzle, and Point & Click): closest matches first, and among equally close ones the better-known games.

Viewfinder
Shared: Puzzle · Abstract · Puzzle Platformer

The Gardens Between
Shared: Walking Simulator · Puzzle · Puzzle Platformer

Chants of Sennaar
Shared: Puzzle · Point & Click · Colorful

Portal
Shared: Puzzle · Puzzle Platformer · 3D Platformer

Manifold Garden
Shared: Abstract · Puzzle · Puzzle Platformer

Morphopolis
Shared: Puzzle · Point & Click · Hidden Object

NaissanceE
Shared: Abstract · Walking Simulator · Puzzle

Antichamber
Shared: Puzzle · Abstract · Indie

Monument Valley 3
Shared: Abstract · Puzzle · Colorful

The Room
Shared: Puzzle · Point & Click · Hidden Object

Moncage
Shared: Puzzle · Abstract · Indie

The House of Da Vinci
Shared: Puzzle · Point & Click · Hidden Object

The Room Two
Shared: Puzzle · Point & Click · Hidden Object

Birth
Shared: Puzzle · Point & Click · Hidden Object

Milk outside a bag of milk outside a bag of milk
Shared: Visual Novel · Abstract · Indie

The Room Three
Shared: Puzzle · Point & Click · Hidden Object

The Room 4: Old Sins
Shared: Puzzle · Point & Click · Hidden Object

Portal 2
Shared: Puzzle · Puzzle Platformer · 3D Platformer

Papers, Please
Shared: Point & Click · Puzzle · Indie

The Talos Principle 2
Shared: Puzzle · Walking Simulator · Puzzle Platformer

Boxes: Lost Fragments
Shared: Puzzle · Point & Click · 3D

The Beginner's Guide
Shared: Walking Simulator · Abstract · Indie

LIMBO
Shared: Puzzle · Puzzle Platformer · Indie

Varenje
Shared: Puzzle · Visual Novel · Point & Click