Games like Starling Ascent
Games like Starling Ascent include BEEP, LIMBO, Chained Together, Pikuniku, and Ori and the Will of the Wisps. We matched them by the tags players give Starling Ascent on Steam (Platformer, Adventure, Casual, Physics, and Simulation): closest matches first, and among equally close ones the better-known games.

BEEP
Shared: Platformer · Adventure · Physics

LIMBO
Shared: Platformer · Puzzle · Adventure

Chained Together
Shared: Adventure · Platformer · Casual

Pikuniku
Shared: Adventure · Casual · Puzzle

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

Nihilumbra
Shared: Adventure · Platformer · Casual

Planet of Lana
Shared: Platformer · Action · Adventure

Neva
Shared: Adventure · Platformer · Atmospheric

Hollow Knight
Shared: Platformer · Adventure · 2D

GRIS
Shared: Adventure · Platformer · Atmospheric

FEZ
Shared: Platformer · Puzzle · Adventure

Human Fall Flat
Shared: Adventure · Physics · Puzzle

Marble Mayhem: Fragile Ball
Shared: Casual · Puzzle · Platformer

Portal 2
Shared: Platformer · Puzzle · Adventure

Wobbly Life
Shared: Adventure · Simulation · Casual

Superflight
Shared: Casual · Flight · Atmospheric

Climber Animals: Together
Shared: Platformer · Physics · Casual

Defy Gravity Extended
Shared: Platformer · Puzzle · Casual

A Story About My Uncle
Shared: Adventure · Platformer · Atmospheric

Pinstripe
Shared: Adventure · Casual · Platformer

Deadlight
Shared: Platformer · Adventure · Action

Munin
Shared: Casual · Adventure · Platformer

Rain World
Shared: Platformer · Atmospheric · Adventure

BADLAND: Game of the Year Edition
Shared: Adventure · Platformer · 2D