Games like Firebird - Steam version
Games like Firebird - Steam version include METAL SLUG 3, METAL SLUG, LUFTRAUSERS, METAL SLUG X, and Planes, Bullets and Vodka. We matched them by the tags players give Firebird - Steam version on Steam (Action, Indie, Shoot 'Em Up, Retro, and 2D): closest matches first, and among equally close ones the better-known games.

METAL SLUG 3
Shared: Action · Arcade · Retro

METAL SLUG
Shared: Action · 2D · Arcade

LUFTRAUSERS
Shared: Indie · Action · Arcade

METAL SLUG X
Shared: Action · Arcade · Shoot 'Em Up

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

Ikaruga
Shared: Shoot 'Em Up · Action · Arcade

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

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

Broforce
Shared: Action · 2D · Indie

Blazing Chrome
Shared: Action · Retro · Indie

UFO 50
Shared: Indie · Action · Retro

Huntdown
Shared: Action · Shoot 'Em Up · Shooter

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

Cyberhunt
Shared: Action · Indie · Shoot 'Em Up

METAL SLUG 2
Shared: Action · Shoot 'Em Up · 2D

ARCADE GAME SERIES: GALAGA
Shared: Action · Shoot 'Em Up · Arcade

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

Super Crate Box
Shared: Indie · Action · 2D

Bit Blaster XL
Shared: Shoot 'Em Up · Action · 2D

METAL SLUG XX
Shared: Action · Retro · 2D

Chicken Invaders Universe
Shared: Shoot 'Em Up · Action · Shooter

Nova Drift
Shared: Shoot 'Em Up · Arcade · Action

Star Saviors
Shared: Action · Shoot 'Em Up · Indie

Contra Anniversary Collection
Shared: Action · Retro · 2D

