Games like Source of Madness
Games like Source of Madness include Black Myth: Wukong, Dead Cells, DARK SOULS™: REMASTERED, Salt and Sanctuary, and ENDER LILIES: Quietus of the Knights. We matched them by the tags players give Source of Madness on Steam (Roguelite, Lovecraftian, Action, Metroidvania, and Dark): closest matches first, and among equally close ones the better-known games.

Black Myth: Wukong
Shared: Action · Souls-like · Action RPG

Dead Cells
Shared: Metroidvania · Roguelite · Souls-like

DARK SOULS™: REMASTERED
Shared: Souls-like · Action · Dark Fantasy

Salt and Sanctuary
Shared: Metroidvania · Souls-like · Action

ENDER LILIES: Quietus of the Knights
Shared: Metroidvania · Souls-like · Dark Fantasy

ENDER MAGNOLIA: Bloom in the Mist
Shared: Metroidvania · Dark Fantasy · 2D

DARK SOULS™ II: Scholar of the First Sin
Shared: Souls-like · Action · Dark Fantasy

Lies of P
Shared: Action · Souls-like · Dark Fantasy

Hollow Knight
Shared: Metroidvania · Souls-like · 2D

ELDEN RING
Shared: Souls-like · Dark Fantasy · Action

Nine Sols
Shared: Metroidvania · Souls-like · Action

Blasphemous
Shared: Metroidvania · Souls-like · Dark Fantasy

Halls of Torment
Shared: Roguelite · Action · Dark Fantasy

Skul: The Hero Slayer
Shared: Action · Roguelite · Metroidvania

Lords Of The Fallen™ 2014
Shared: Souls-like · Action · Dark Fantasy

DARK SOULS™ II
Shared: Souls-like · Action · Dark Fantasy

Deaths Gambit: Afterlife
Shared: Metroidvania · Souls-like · Action

Mortal Shell II
Shared: Souls-like · Dark Fantasy · Action

Hollow Knight: Silksong
Shared: Metroidvania · Souls-like · 2D

GRIME
Shared: Metroidvania · Souls-like · Dark Fantasy

Thymesia
Shared: Souls-like · Dark Fantasy · Action

Windblown
Shared: Roguelite · Metroidvania · Action

DARK SOULS™ III
Shared: Souls-like · Dark Fantasy · Atmospheric

Hades II
Shared: Roguelite · Action · Action Roguelike