Games like Kami: The Great Guardian
Games like Kami: The Great Guardian include Hollow Knight, Hollow Knight: Silksong, ANIMAL WELL, Dead Cells, and Ori and the Will of the Wisps. We matched them by the tags players give Kami: The Great Guardian on Steam (Metroidvania, Exploration, Platformer, 2D, and Adventure): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Platformer · 2D

Hollow Knight: Silksong
Shared: Metroidvania · 2D · Platformer

ANIMAL WELL
Shared: Metroidvania · Exploration · Platformer

Dead Cells
Shared: Metroidvania · Adventure · 2D

Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Adventure

Reventure
Shared: Adventure · Pixel Graphics · 2D

Rain World
Shared: Exploration · Platformer · Pixel Graphics

Dust: An Elysian Tail
Shared: Metroidvania · Platformer · Adventure

Gato Roboto
Shared: Metroidvania · Adventure · 2D

Axiom Verge
Shared: Metroidvania · Platformer · Pixel Graphics

Blasphemous
Shared: Metroidvania · Pixel Graphics · 2D

FEZ
Shared: Platformer · Exploration · Pixel Graphics

Terraria
Shared: 2D · Pixel Graphics · Adventure

Record of Lodoss War-Deedlit in Wonder Labyrinth-
Shared: Metroidvania · Exploration · 2D

Skul: The Hero Slayer
Shared: 2D · Pixel Graphics · Metroidvania

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · Exploration · Pixel Graphics

Owlboy
Shared: Metroidvania · Platformer · Adventure

MIO: Memories in Orbit
Shared: Metroidvania · Exploration · Platformer

Haiku, the Robot
Shared: Metroidvania · Exploration · Adventure

Constance
Shared: Metroidvania · Platformer · 2D

Rogue Legacy
Shared: Platformer · Metroidvania · 2D

Touhou Luna Nights
Shared: Metroidvania · Exploration · Platformer

UnEpic
Shared: Metroidvania · Platformer · Exploration

SteamWorld Dig 2
Shared: Metroidvania · Adventure · Platformer