Games like Blood Within
Games like Blood Within include Blasphemous 2, Black Myth: Wukong, SANABI, DARK SOULS™ III, and Hollow Knight. We matched them by the tags players give Blood Within on Steam (Side Scroller, 2D Platformer, Souls-like, Difficult, and Action RPG): closest matches first, and among equally close ones the better-known games.

Blasphemous 2
Shared: Difficult · Souls-like · 2D Platformer

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

SANABI
Shared: 2D Platformer · Action · Story Rich

DARK SOULS™ III
Shared: Souls-like · Difficult · Lore-Rich

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

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Souls-like

Afterimage
Shared: 2D Platformer · Side Scroller · Souls-like

Tails of Iron
Shared: Souls-like · Action RPG · 2D

Blasphemous
Shared: Souls-like · 2D · Difficult

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · Souls-like

DARK SOULS™: REMASTERED
Shared: Souls-like · Difficult · Action RPG

Lies of P
Shared: Souls-like · Action RPG · Action

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

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

Celeste
Shared: Difficult · 2D Platformer · 2D

Nine Sols
Shared: Souls-like · Difficult · 2D

ELDEN RING
Shared: Souls-like · Difficult · Action RPG

Salt and Sanctuary
Shared: Souls-like · Difficult · 2D

Lords Of The Fallen™ 2014
Shared: Souls-like · Difficult · Action RPG

Vigil: The Longest Night
Shared: Side Scroller · Souls-like · Difficult

The First Berserker: Khazan
Shared: Souls-like · Difficult · Action RPG

WUCHANG: Fallen Feathers
Shared: Souls-like · Difficult · Action RPG

Tails of Iron 2: Whiskers of Winter
Shared: Souls-like · Action RPG · Difficult

Deaths Gambit: Afterlife
Shared: Souls-like · 2D · Difficult