Games like Hellfire
Games like Hellfire include METAL SLUG, Broforce, METAL SLUG X, METAL SLUG 3, and Cuphead. We matched them by the tags players give Hellfire on Steam (Action, Arcade, Shoot 'Em Up, 2D, and Retro): closest matches first, and among equally close ones the better-known games.

METAL SLUG
Shared: Action · Arcade · 2D

Broforce
Shared: Action · 2D · Co-op

METAL SLUG X
Shared: Action · Arcade · 2D

METAL SLUG 3
Shared: Arcade · Action · Co-op

Cuphead
Shared: Co-op · 2D · Local Co-Op

Streets of Rage 4
Shared: Action · 2D · Arcade

METAL SLUG 2
Shared: Action · Arcade · 2D

Castle Crashers®
Shared: 2D · Co-op · Action

TEKKEN 7
Shared: Action · Arcade · Multiplayer

Need for Speed™ Heat
Shared: Action · Multiplayer · Co-op

PARTICLE MACE
Shared: Action · Arcade · 2D

Gang Beasts
Shared: Action · Co-op · Multiplayer

Revolution Ace
Shared: Action · Shoot 'Em Up · Arcade

Sky Force Reloaded
Shared: Arcade · Shoot 'Em Up · Action

PAC-MAN 256
Shared: Action · Arcade · Retro

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade

Stick Fight: The Game
Shared: Action · Multiplayer · 2D

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

BattleBlock Theater®
Shared: Co-op · 2D · Local Co-Op

PAC-MAN™ Championship Edition DX+
Shared: Arcade · Action · Retro

Move or Die
Shared: Action · Multiplayer · 2D

Guns, Gore and Cannoli 2
Shared: Action · 2D · Co-op

Awesomenauts
Shared: Action · 2D · Multiplayer

METAL SLUG XX
Shared: Action · 2D · Arcade

