Games like Anoxemia
Games like Anoxemia include LIMBO, Little Nightmares, INSIDE, Little Nightmares II, and Portal 2. We matched them by the tags players give Anoxemia on Steam (Physics, Puzzle Platformer, Dark, Puzzle, and Atmospheric): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle Platformer · Puzzle · Dark

Little Nightmares
Shared: Puzzle Platformer · Atmospheric · Dark

INSIDE
Shared: Puzzle Platformer · Dark · Atmospheric

Little Nightmares II
Shared: Puzzle · Dark · Atmospheric

Portal 2
Shared: Puzzle · Puzzle Platformer · Platformer

Seen
Shared: Dark · Puzzle · Atmospheric

Portal
Shared: Puzzle Platformer · Puzzle · Physics

DARQ: Complete Edition
Shared: Dark · Puzzle · Puzzle Platformer

Viewfinder
Shared: Puzzle Platformer · Puzzle · Physics

Trine 2: Complete Story
Shared: Puzzle Platformer · Puzzle · Platformer

Planet of Lana
Shared: Puzzle Platformer · Atmospheric · Puzzle

Pinstripe
Shared: Dark · Puzzle Platformer · Atmospheric

Ori and the Will of the Wisps
Shared: Platformer · Atmospheric · Singleplayer

White Shadows
Shared: Puzzle · Atmospheric · Platformer

Human Fall Flat
Shared: Physics · Puzzle · Puzzle Platformer

FAR: Lone Sails
Shared: Atmospheric · Puzzle · Singleplayer

ANIMAL WELL
Shared: Puzzle · Puzzle Platformer · Platformer

Unravel
Shared: Puzzle · Atmospheric · Singleplayer

Poppy Playtime
Shared: Puzzle · Dark · Singleplayer

Creepy Tale
Shared: Puzzle Platformer · Puzzle · Dark

Nihilumbra
Shared: Puzzle · Puzzle Platformer · Platformer

Oddworld: New 'n' Tasty
Shared: Puzzle Platformer · Puzzle · Platformer

Hollow Knight
Shared: Platformer · Atmospheric · Singleplayer

GRIS
Shared: Atmospheric · Platformer · Adventure