Games like Dragon Dragon Fire Fire Deluxe
Games like Dragon Dragon Fire Fire Deluxe include Cuphead, Broforce, Bread & Fred, Enter the Gungeon, and Vampire Survivors. We matched them by the tags players give Dragon Dragon Fire Fire Deluxe on Steam (Local Co-Op, Arcade, Score Attack, Pixel Graphics, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Cuphead
Shared: Local Co-Op · Difficult · Multiplayer

Broforce
Shared: Pixel Graphics · Local Co-Op · Multiplayer

Bread & Fred
Shared: Local Co-Op · Pixel Graphics · Multiplayer

Enter the Gungeon
Shared: Pixel Graphics · Local Co-Op · Difficult

Vampire Survivors
Shared: Pixel Graphics · Bullet Hell · Arcade

Brawlhalla
Shared: Multiplayer · 2D Platformer · Local Co-Op

Celeste
Shared: Pixel Graphics · Difficult · Precision Platformer

Super Meat Boy
Shared: Precision Platformer · Pixel Graphics · Difficult

Bloody Trapland
Shared: Local Co-Op · Multiplayer · Precision Platformer

Downwell
Shared: Pixel Graphics · Arcade · Precision Platformer

UFO 50
Shared: Pixel Graphics · Arcade · Retro

Overcooked
Shared: Local Co-Op · Arcade · Multiplayer

Overcooked! 2
Shared: Local Co-Op · Multiplayer · Co-op

Door Kickers: Action Squad
Shared: Local Co-Op · Pixel Graphics · 2D Platformer

TowerFall Ascension
Shared: Local Co-Op · Pixel Graphics · Multiplayer

Timberman
Shared: Pixel Graphics · Multiplayer · Arcade

Huntdown
Shared: Pixel Graphics · Local Co-Op · Arcade

METAL SLUG 3
Shared: Arcade · Local Co-Op · Retro

METAL SLUG X
Shared: Arcade · Multiplayer · Pixel Graphics

Sky Force Reloaded
Shared: Arcade · Local Co-Op · Bullet Hell

METAL SLUG
Shared: Arcade · Multiplayer · Retro

Exit the Gungeon
Shared: Arcade · Pixel Graphics · Bullet Hell

PICO PARK
Shared: Local Co-Op · Multiplayer · Co-op

N++ (NPLUSPLUS)
Shared: Local Co-Op · 2D Platformer · Precision Platformer