Games like Deer & Boy
Games like Deer & Boy include Portal 2, INSIDE, Little Nightmares II, Little Nightmares, and Ori and the Will of the Wisps. We matched them by the tags players give Deer & Boy on Steam (Adventure, Cinematic, Platformer, Story Rich, and Stealth): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · Story Rich · Puzzle

INSIDE
Shared: Puzzle Platformer · Story Rich · Cinematic

Little Nightmares II
Shared: Adventure · Story Rich · Puzzle

Little Nightmares
Shared: Adventure · Puzzle Platformer · Story Rich

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Story Rich

Tomb Raider Game of the Year
Shared: Adventure · Story Rich · Singleplayer

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Story Rich · Action-Adventure

LIMBO
Shared: Platformer · Puzzle Platformer · Adventure

Rise of the Tomb Raider™
Shared: Adventure · Story Rich · Action-Adventure

FAR: Lone Sails
Shared: Adventure · Atmospheric · Story Rich

A Plague Tale: Innocence
Shared: Adventure · Story Rich · Stealth

Detroit: Become Human
Shared: Cinematic · Story Rich · Adventure

Brothers - A Tale of Two Sons
Shared: Adventure · Story Rich · Puzzle

Seen
Shared: Adventure · Platformer · Puzzle

The Last Campfire
Shared: Adventure · Puzzle · Story Rich

METAL GEAR SOLID V: THE PHANTOM PAIN
Shared: Stealth · Story Rich · Cinematic

SANABI
Shared: Story Rich · Adventure · Platformer

Neva
Shared: Adventure · Platformer · Emotional

Planet of Lana
Shared: Puzzle Platformer · Adventure · Platformer

007 First Light
Shared: Cinematic · Action-Adventure · Stealth

FAR: Changing Tides
Shared: Adventure · Platformer · Action-Adventure

God of War Ragnarök
Shared: Adventure · Action-Adventure · Cinematic

White Shadows
Shared: Adventure · Platformer · Story Rich

Ghost of Tsushima DIRECTOR'S CUT
Shared: Adventure · Story Rich · Stealth