Games like Etherborn
Games like Etherborn include GRIS, LIMBO, Little Nightmares, FEZ, and Hollow Knight: Silksong. We matched them by the tags players give Etherborn on Steam (Indie, Adventure, Puzzle, Puzzle Platformer, and Atmospheric): closest matches first, and among equally close ones the better-known games.

GRIS
Shared: Indie · Great Soundtrack · Adventure

LIMBO
Shared: Indie · Puzzle Platformer · Puzzle

Little Nightmares
Shared: Adventure · Atmospheric · Indie

FEZ
Shared: Indie · Puzzle · Platformer

Hollow Knight: Silksong
Shared: Indie · Great Soundtrack · Adventure

Ori and the Will of the Wisps
Shared: Great Soundtrack · Adventure · Platformer

Chants of Sennaar
Shared: Adventure · Indie · Puzzle

Hollow Knight
Shared: Great Soundtrack · Indie · Platformer

Seen
Shared: Indie · Adventure · Puzzle

Neva
Shared: Adventure · Indie · Atmospheric

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

COCOON
Shared: Adventure · Indie · Puzzle

Contrast
Shared: Indie · Adventure · Puzzle

A Hat in Time
Shared: Great Soundtrack · Adventure · Indie

RiME
Shared: Adventure · Puzzle · Great Soundtrack

FAR: Lone Sails
Shared: Adventure · Atmospheric · Indie

The Last Campfire
Shared: Adventure · Puzzle · Indie

Outer Wilds
Shared: Adventure · Great Soundtrack · Puzzle

OneShot
Shared: Indie · Great Soundtrack · Puzzle

INSIDE
Shared: Puzzle Platformer · Indie · Atmospheric

Little Nightmares II
Shared: Adventure · Puzzle · Atmospheric

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

Shady Part of Me
Shared: Indie · Puzzle · Atmospheric

Nihilumbra
Shared: Indie · Adventure · Puzzle