Games like Karma Miwa
Games like Karma Miwa include Hollow Knight, LIMBO, Shovel Knight: Treasure Trove, Ori and the Will of the Wisps, and Hollow Knight: Silksong. We matched them by the tags players give Karma Miwa on Steam (Casual, Adventure, Indie, Action, and Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · Indie · 2D

LIMBO
Shared: Indie · Platformer · Adventure

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Adventure

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

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

GRIS
Shared: Indie · Adventure · Platformer

BEEP
Shared: Indie · Adventure · Platformer

SANABI
Shared: Action · Adventure · Indie

Defy Gravity Extended
Shared: Indie · Platformer · Puzzle Platformer

Pikuniku
Shared: Adventure · Casual · Indie

Super Fancy Pants Adventure
Shared: Adventure · Action · Indie

Nihilumbra
Shared: Adventure · Indie · Casual

Sonic Mania
Shared: Platformer · 2D · Adventure

FEZ
Shared: Indie · Platformer · Adventure

Rogue Legacy 2
Shared: Action · Indie · Platformer

Dust: An Elysian Tail
Shared: Action · Indie · Platformer

Out There Somewhere
Shared: Indie · Platformer · Adventure

Chained Together
Shared: Adventure · Casual · Platformer

Planet of Lana
Shared: Action · Adventure · Puzzle Platformer

Pinstripe
Shared: Adventure · Casual · Indie

Portal 2
Shared: Platformer · Singleplayer · Puzzle Platformer

Celeste
Shared: Indie · Platformer · Adventure

Sonic Origins
Shared: Adventure · Action · Casual

To The Core
Shared: Casual · Adventure · 2D