Games like Green Heights
Games like Green Heights include BETON BRUTAL, Gorilla Tag, VHOLUME, Refunct, and A Story About My Uncle. We matched them by the tags players give Green Heights on Steam (Psychological Horror, Precision Platformer, Parkour, 3D Platformer, and Atmospheric): closest matches first, and among equally close ones the better-known games.

BETON BRUTAL
Shared: Precision Platformer · Parkour · 3D Platformer

Gorilla Tag
Shared: Psychological Horror · Parkour · First-Person

VHOLUME
Shared: Parkour · Atmospheric · 3D Platformer

Refunct
Shared: Parkour · 3D Platformer · First-Person

A Story About My Uncle
Shared: Parkour · First-Person · Atmospheric

Hot Lava
Shared: Precision Platformer · Parkour · 3D Platformer

Mirror's Edge™
Shared: Parkour · 3D Platformer · Exploration

Peaks of Yore
Shared: Psychological Horror · Platformer · Atmospheric

White Knuckle
Shared: Parkour · 3D Platformer · Precision Platformer

Neon White
Shared: 3D Platformer · Parkour · Platformer

Clustertruck
Shared: Parkour · 3D Platformer · First-Person

Getting Over It with Bennett Foddy
Shared: Psychological Horror · Singleplayer · Platformer

MiSide
Shared: Psychological Horror · First-Person · Atmospheric

Pseudoregalia
Shared: 3D Platformer · Parkour · Exploration

Outlast
Shared: Psychological Horror · Atmospheric · First-Person

SEUM: Speedrunners from Hell
Shared: Parkour · Precision Platformer · 3D Platformer

Valley
Shared: Parkour · Exploration · First-Person

Idols of Ash
Shared: Parkour · Atmospheric · 3D Platformer

Portal 2
Shared: Platformer · Singleplayer · First-Person

Jump King
Shared: Psychological Horror · Precision Platformer · Platformer

POOLS
Shared: Psychological Horror · Atmospheric · Exploration

Finding Frankie
Shared: Parkour · Atmospheric · 3D Platformer

Berry Bury Berry
Shared: Psychological Horror · First-Person · 3D

SOMA
Shared: Psychological Horror · Atmospheric · Exploration

