Games like Grayland
Games like Grayland include Planet of Lana, Ori and the Will of the Wisps, Brothers - A Tale of Two Sons, LIMBO, and FAR: Changing Tides. We matched them by the tags players give Grayland on Steam (Atmospheric, Emotional, Side Scroller, Stylized, and Minimalist): closest matches first, and among equally close ones the better-known games.

Planet of Lana
Shared: Atmospheric · Action · Emotional

Ori and the Will of the Wisps
Shared: Atmospheric · Action · Adventure

Brothers - A Tale of Two Sons
Shared: Atmospheric · Emotional · Adventure

LIMBO
Shared: Atmospheric · Adventure · Indie

FAR: Changing Tides
Shared: Atmospheric · Action-Adventure · Stylized

SANABI
Shared: Action · Adventure · Singleplayer

The Last Campfire
Shared: Atmospheric · Emotional · Adventure

Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™
Shared: Atmospheric · Adventure · Emotional

Black Myth: Wukong
Shared: Action · Atmospheric · Action-Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure · Atmospheric

My Little Puppy
Shared: Emotional · Atmospheric · Adventure

Prince of Persia The Lost Crown
Shared: Side Scroller · Action · Adventure

INSIDE
Shared: Atmospheric · Adventure · Singleplayer

Cairn
Shared: Stylized · Atmospheric · Adventure

Neva
Shared: Atmospheric · Emotional · Adventure

Rise of the Tomb Raider™
Shared: Action · Adventure · Singleplayer

Mark of the Ninja
Shared: Side Scroller · Atmospheric · Action

Endling - Extinction is Forever
Shared: Emotional · Atmospheric · Adventure

Trek to Yomi
Shared: Side Scroller · Action · Atmospheric

A Plague Tale: Requiem
Shared: Atmospheric · Action · Adventure

Deadlight
Shared: Atmospheric · Side Scroller · Action

BioShock Infinite
Shared: Action · Atmospheric · Shooter

Seen
Shared: Atmospheric · Adventure · Singleplayer

Finding Paradise
Shared: Emotional · Atmospheric · Adventure