Games like Rain World
Games like Rain World include Hollow Knight, Hollow Knight: Silksong, Celeste, The Long Dark, and Terraria. We matched them by the tags players give Rain World on Steam (Difficult, Atmospheric, Survival, Exploration, and Indie): closest matches first, and among equally close ones the better-known games.
Hollow Knight
Shared: Difficult · Platformer · Indie
Hollow Knight: Silksong
Shared: Difficult · Indie · Exploration
Celeste
Shared: Difficult · Pixel Graphics · Indie
The Long Dark
Shared: Survival · Atmospheric · Exploration
Terraria
Shared: Survival · Pixel Graphics · 2D
Hyper Light Drifter
Shared: Atmospheric · Difficult · Pixel Graphics
Don't Starve Together
Shared: Survival · Difficult · Open World
Cairn
Shared: Difficult · Exploration · Indie
Ori and the Will of the Wisps
Shared: Platformer · Atmospheric · Exploration
Fallout 4
Shared: Exploration · Atmospheric · 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 · 2D
ANIMAL WELL
Shared: Exploration · Pixel Graphics · Atmospheric
The Forest
Shared: Survival · Open World · Exploration
SANABI
Shared: Pixel Graphics · Indie · Difficult
MIO: Memories in Orbit
Shared: Atmospheric · Exploration · Difficult
Noita
Shared: Difficult · Pixel Graphics · Indie
Skul: The Hero Slayer
Shared: Indie · Pixel Graphics · Difficult
Momodora: Reverie Under The Moonlight
Shared: Exploration · Pixel Graphics · Difficult
The Final Station
Shared: Survival · Pixel Graphics · Indie
Super Meat Boy
Shared: Difficult · Indie · Platformer
Sons Of The Forest
Shared: Survival · Open World · Exploration
Axiom Verge
Shared: Indie · Pixel Graphics · Platformer
VVVVVV
Shared: Pixel Graphics · Difficult · Indie