Games like Cave Story+
Games like Cave Story+ include Hollow Knight, Hollow Knight: Silksong, Ori and the Will of the Wisps, Nine Sols, and Rain World. We matched them by the tags players give Cave Story+ on Steam (Exploration, Metroidvania, Difficult, Platformer, and Shooter): closest matches first, and among equally close ones the better-known games.
Hollow Knight
Shared: Metroidvania · Platformer · Difficult
Hollow Knight: Silksong
Shared: Metroidvania · Difficult · Exploration
Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Exploration
Nine Sols
Shared: Metroidvania · Difficult · Platformer
Rain World
Shared: Difficult · Exploration · Platformer
Celeste
Shared: Difficult · Platformer · 2D
Axiom Verge
Shared: Metroidvania · Platformer · 2D
Momodora: Reverie Under The Moonlight
Shared: Metroidvania · Exploration · Difficult
Rabi-Ribi
Shared: Metroidvania · Exploration · Anime
ANIMAL WELL
Shared: Exploration · Metroidvania · Platformer
Gato Roboto
Shared: Metroidvania · 2D · Platformer
Touhou Luna Nights
Shared: Metroidvania · Difficult · Exploration
Skul: The Hero Slayer
Shared: 2D · Metroidvania · Action
Blasphemous
Shared: Metroidvania · 2D · Difficult
Dust: An Elysian Tail
Shared: Metroidvania · Platformer · Action
La-Mulana
Shared: Metroidvania · Difficult · Platformer
SANABI
Shared: Story Rich · Action · 2D
Record of Lodoss War-Deedlit in Wonder Labyrinth-
Shared: Metroidvania · Exploration · Platformer
Lost Ruins
Shared: Metroidvania · Platformer · Cute
Monster Boy and the Cursed Kingdom
Shared: Metroidvania · Platformer · Exploration
MIO: Memories in Orbit
Shared: Exploration · Metroidvania · Platformer
OneShot
Shared: Story Rich · Cute · Pixel Graphics
Environmental Station Alpha
Shared: Metroidvania · Platformer · Difficult
Katana ZERO
Shared: Platformer · Story Rich · Action