Games like Dream Doctor
Games like Dream Doctor include Blasphemous 2, Hollow Knight, Nine Sols, Cuphead, and Pizza Tower. We matched them by the tags players give Dream Doctor on Steam (Action, Stylized, Combat, Surreal, and Side Scroller): closest matches first, and among equally close ones the better-known games.

Blasphemous 2
Shared: Combat · Difficult · Side Scroller

Hollow Knight
Shared: Platformer · Souls-like · Difficult

Nine Sols
Shared: Action · Souls-like · Hand-drawn

Cuphead
Shared: Platformer · Difficult · Hand-drawn

Pizza Tower
Shared: Cartoony · Action · 2D Platformer

Eastern Exorcist
Shared: Action · Side Scroller · Souls-like

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

Hollow Knight: Silksong
Shared: Difficult · Souls-like · Platformer

Skul: The Hero Slayer
Shared: Action · Indie · Platformer

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Anomaly Agent
Shared: Side Scroller · Platformer · 2D Platformer

SHINOBI: Art of Vengeance
Shared: Action · Platformer · 2D Platformer

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

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

Broforce
Shared: Action · Platformer · Side Scroller

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

SANABI
Shared: Action · 2D Platformer · Platformer

DEVIATOR
Shared: Action · Hand-drawn · Souls-like

Super Meat Boy
Shared: Platformer · Difficult · 2D Platformer

Rogue Legacy 2
Shared: Action · Platformer · Difficult

ICEY
Shared: Action · Side Scroller · Hack and Slash

Hi-Fi RUSH
Shared: Action · Cartoony · Hack and Slash

NINJA GAIDEN: Ragebound
Shared: Action · Side Scroller · Platformer

Foregone
Shared: Action · Side Scroller · Platformer