Games like Obsolete
Games like Obsolete include Hollow Knight, LIMBO, FEZ, Hollow Knight: Silksong, and GRIS. We matched them by the tags players give Obsolete on Steam (Singleplayer, Dark, Atmospheric, Indie, and Exploration): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Singleplayer · Indie · Atmospheric

LIMBO
Shared: Indie · Dark · Atmospheric

FEZ
Shared: Indie · Singleplayer · Exploration

Hollow Knight: Silksong
Shared: Indie · Singleplayer · Exploration

GRIS
Shared: Atmospheric · Indie · Singleplayer

Rain World
Shared: Atmospheric · Indie · Exploration

INSIDE
Shared: Atmospheric · Dark · Singleplayer

Firewatch
Shared: Atmospheric · Singleplayer · Mystery

What Remains of Edith Finch
Shared: Atmospheric · Singleplayer · Exploration

Seen
Shared: Dark · Singleplayer · Indie

ABZU
Shared: Atmospheric · Relaxing · Singleplayer

Little Nightmares
Shared: Atmospheric · Singleplayer · Dark

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

Outer Wilds
Shared: Exploration · Atmospheric · Mystery

Stray
Shared: Singleplayer · Atmospheric · Exploration

SANABI
Shared: Singleplayer · Indie · 2D Platformer

INMOST
Shared: Indie · Atmospheric · Exploration

Journey
Shared: Atmospheric · Indie · Exploration

ANIMAL WELL
Shared: Exploration · Atmospheric · Indie

DAVE THE DIVER
Shared: Singleplayer · Exploration · Relaxing

Superflight
Shared: Indie · Singleplayer · Atmospheric

Celeste
Shared: Indie · Singleplayer · Platformer

FAR: Lone Sails
Shared: Atmospheric · Singleplayer · Exploration

The Room
Shared: Singleplayer · Atmospheric · Mystery