Games like A Walk in the Dark
Games like A Walk in the Dark include Hollow Knight, Hollow Knight: Silksong, Cuphead, Geometry Dash, and Celeste. We matched them by the tags players give A Walk in the Dark on Steam (Indie, Platformer, Action, Difficult, and 2D): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Platformer · Difficult · Indie

Hollow Knight: Silksong
Shared: Indie · Difficult · Great Soundtrack

Cuphead
Shared: Difficult · Platformer · Indie

Geometry Dash
Shared: Difficult · 2D · Great Soundtrack

Celeste
Shared: Difficult · Indie · Platformer

Katana ZERO
Shared: Action · Platformer · Great Soundtrack

Nine Sols
Shared: Difficult · Platformer · 2D

Super Meat Boy
Shared: Platformer · Indie · Difficult

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Great Soundtrack

Risk of Rain (2013)
Shared: Indie · Platformer · Action

Skul: The Hero Slayer
Shared: Indie · Action · 2D

Pizza Tower
Shared: Indie · Great Soundtrack · Platformer

Hotline Miami
Shared: Indie · Action · Great Soundtrack

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

Spelunky
Shared: Platformer · Indie · Difficult

Electronic Super Joy
Shared: Indie · Platformer · Difficult

Freedom Planet
Shared: Platformer · Action · Indie

The End Is Nigh
Shared: Platformer · Indie · Difficult

Defy Gravity Extended
Shared: Platformer · Indie · 2D

Angry Video Game Nerd Adventures
Shared: Indie · Platformer · Action

Out There Somewhere
Shared: Platformer · Indie · 2D

The Binding of Isaac: Rebirth
Shared: Indie · Difficult · Great Soundtrack

Ori and the Will of the Wisps
Shared: Platformer · Action · Great Soundtrack

The Messenger
Shared: Platformer · Indie · 2D