Games like Rain World: The Watcher
Games like Rain World: The Watcher include Rain World, Hollow Knight, Hollow Knight: Silksong, Celeste, and Terraria. We matched them by the tags players give Rain World: The Watcher on Steam (Difficult, Atmospheric, Survival, Indie, and Platformer): closest matches first, and among equally close ones the better-known games.
Rain World
Shared: Difficult · Atmospheric · Survival
Hollow Knight
Shared: Difficult · Platformer · Indie
Hollow Knight: Silksong
Shared: Difficult · Indie · Platformer
Celeste
Shared: Difficult · Indie · Pixel Graphics
Terraria
Shared: Survival · Pixel Graphics · 2D
The Long Dark
Shared: Survival · Atmospheric · Exploration
Don't Starve Together
Shared: Survival · Difficult · Adventure
Hyper Light Drifter
Shared: Atmospheric · Difficult · Indie
Cairn
Shared: Difficult · Indie · Exploration
Ori and the Will of the Wisps
Shared: Platformer · Atmospheric · Adventure
Fallout 4
Shared: Atmospheric · Exploration · Open World
SANABI
Shared: Pixel Graphics · Indie · Adventure
The Forest
Shared: Survival · Adventure · Open World
S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Survival · Atmospheric · Open World
Nine Sols
Shared: Difficult · Platformer · Atmospheric
Jump King
Shared: Difficult · Indie · Platformer
Super Meat Boy
Shared: Difficult · Platformer · Indie
The Final Station
Shared: Survival · Indie · Pixel Graphics
FAR: Lone Sails
Shared: Atmospheric · Adventure · Exploration
Sons Of The Forest
Shared: Survival · Open World · Exploration
Noita
Shared: Difficult · Pixel Graphics · Indie
Skul: The Hero Slayer
Shared: Indie · Pixel Graphics · Difficult
ANIMAL WELL
Shared: Exploration · Platformer · Pixel Graphics
VVVVVV
Shared: Indie · Platformer · Difficult