Games like Mountain
Games like Mountain include Equilinox, Everything, Passpartout: The Starving Artist, Potion Craft: Alchemist Simulator, and Townscaper. We matched them by the tags players give Mountain on Steam (Simulation, Indie, Casual, Relaxing, and Singleplayer): closest matches first, and among equally close ones the better-known games.
Equilinox
Shared: Simulation · Indie · Casual
Everything
Shared: Simulation · Casual · Indie
Passpartout: The Starving Artist
Shared: Simulation · Casual · Indie
Potion Craft: Alchemist Simulator
Shared: Simulation · Relaxing · Singleplayer
Townscaper
Shared: Relaxing · Casual · Simulation
Mini Motorways
Shared: Simulation · Casual · Indie
Stardew Valley
Shared: Simulation · Relaxing · Indie
Reus
Shared: Indie · Simulation · God Game
GRIS
Shared: Indie · Great Soundtrack · Beautiful
Assemble with Care
Shared: Indie · Casual · Relaxing
Game Dev Tycoon
Shared: Simulation · Indie · Casual
House Flipper
Shared: Simulation · Singleplayer · Relaxing
ABZU
Shared: Relaxing · Great Soundtrack · Casual
Unpacking
Shared: Relaxing · Casual · Simulation
Retrowave
Shared: Indie · Simulation · Casual
Glass Masquerade
Shared: Casual · Indie · Relaxing
Journey
Shared: Indie · Relaxing · Beautiful
Papers, Please
Shared: Simulation · Indie · Singleplayer
Plague Inc: Evolved
Shared: Simulation · Indie · Singleplayer
DAVE THE DIVER
Shared: Casual · Relaxing · Singleplayer
A Short Hike
Shared: Indie · Relaxing · Casual
Tiny Glade
Shared: Relaxing · Casual · Indie
Superflight
Shared: Indie · Casual · Relaxing
Master Of Pottery
Shared: Simulation · Indie · Casual