Games like Skyward Dream
Games like Skyward Dream include Superliminal, Valley, Psychonauts 2, What Remains of Edith Finch, and A Story About My Uncle. We matched them by the tags players give Skyward Dream on Steam (3D Platformer, First-Person, Runner, Exploration, and Psychological): closest matches first, and among equally close ones the better-known games.

Superliminal
Shared: First-Person · Psychological · Surreal

Valley
Shared: First-Person · Exploration · Parkour

Psychonauts 2
Shared: 3D Platformer · Story Rich · Psychological

What Remains of Edith Finch
Shared: First-Person · Story Rich · Exploration

A Story About My Uncle
Shared: First-Person · 3D Platformer · Parkour

Mirror's Edge™
Shared: First-Person · 3D Platformer · Exploration

The Beginner's Guide
Shared: First-Person · Story Rich · Psychological

Viewfinder
Shared: First-Person · Psychological · Surreal

Antichamber
Shared: First-Person · Exploration · Surreal

Firewatch
Shared: First-Person · Story Rich · Exploration

VHOLUME
Shared: First-Person · 3D Platformer · Runner

Buckshot Roulette
Shared: First-Person · Dark · Psychological

Portal 2
Shared: First-Person · Story Rich · 3D Platformer

Pseudoregalia
Shared: 3D Platformer · Exploration · Parkour

Fallout 4
Shared: Exploration · First-Person · Story Rich

Mirror's Edge™ Catalyst
Shared: Runner · First-Person · 3D Platformer

The Stanley Parable
Shared: First-Person · Psychological · Exploration

Indiana Jones and the Great Circle
Shared: First-Person · Story Rich · Exploration

Sonic Frontiers
Shared: 3D Platformer · Exploration · Adventure

Hellblade: Senua's Sacrifice
Shared: Psychological · Story Rich · Dark

INDIKA
Shared: Story Rich · Surreal · Psychological

Mouthwashing
Shared: Story Rich · Psychological · Dark

Five Nights at Freddy's: Security Breach
Shared: First-Person · Exploration · Story Rich

Fallout: New Vegas
Shared: First-Person · Exploration · Story Rich