Games like Rain World: Downpour
Games like Rain World: Downpour include Rain World, Hollow Knight: Silksong, Hollow Knight, Don't Starve Together, and Hyper Light Drifter. We matched them by the tags players give Rain World: Downpour on Steam (Adventure, Indie, Action, Simulation, and Difficult): closest matches first, and among equally close ones the better-known games.
Rain World
Shared: Difficult · Indie · Atmospheric
Hollow Knight: Silksong
Shared: Indie · Difficult · Great Soundtrack
Hollow Knight
Shared: Difficult · Indie · Great Soundtrack
Don't Starve Together
Shared: Adventure · Survival · Indie
Hyper Light Drifter
Shared: Indie · Adventure · Atmospheric
Terraria
Shared: Adventure · Survival · 2D
Ori and the Will of the Wisps
Shared: Adventure · Action · Great Soundtrack
Celeste
Shared: Indie · Difficult · Great Soundtrack
The Long Dark
Shared: Survival · Adventure · Atmospheric
The Forest
Shared: Adventure · Survival · Action
GRIS
Shared: Indie · Adventure · Atmospheric
Shovel Knight: Treasure Trove
Shared: Indie · Adventure · Action
Monster Hunter: World
Shared: Action · Adventure · Difficult
Cairn
Shared: Indie · Adventure · Difficult
Cuphead
Shared: Difficult · Indie · Great Soundtrack
SANABI
Shared: Action · Adventure · Indie
Steep™
Shared: Action · Simulation · Atmospheric
Journey
Shared: Adventure · Indie · Atmospheric
Core Keeper
Shared: Survival · Open World · Exploration
Noita
Shared: Difficult · Indie · Action
The Escapists
Shared: Indie · Simulation · Action
Titan Souls
Shared: Indie · Adventure · Difficult
Axiom Verge
Shared: Indie · Action · Adventure
Feed and Grow: Fish
Shared: Simulation · Action · Survival