Games like ARCADE GAME SERIES: GALAGA
Games like ARCADE GAME SERIES: GALAGA include METAL SLUG X, METAL SLUG, METAL SLUG 3, Planes, Bullets and Vodka, and Huntdown. We matched them by the tags players give ARCADE GAME SERIES: GALAGA on Steam (Arcade, Action, Shoot 'Em Up, Retro, and Classic): closest matches first, and among equally close ones the better-known games.

METAL SLUG X
Shared: Arcade · Action · Classic

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

METAL SLUG 3
Shared: Arcade · Action · Classic

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

Huntdown
Shared: Action · Shoot 'Em Up · Pixel Graphics

Ikaruga
Shared: Arcade · Shoot 'Em Up · Action

LUFTRAUSERS
Shared: Arcade · Action · Shoot 'Em Up

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

Sonic Mania
Shared: Retro · 2D · Classic

Half-Life 2
Shared: Action · Classic · Singleplayer

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

ARCADE GAME SERIES: PAC-MAN
Shared: Action · Arcade · Classic

Contra Anniversary Collection
Shared: Action · Retro · Classic

Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade

ZeroRanger
Shared: Shoot 'Em Up · Action · Arcade

METAL SLUG XX
Shared: Action · Arcade · Retro

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Classic · Shooter

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Action

Half-Life
Shared: Classic · Action · Singleplayer

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

Blazing Chrome
Shared: Action · Retro · Shoot 'Em Up

Warhammer 40,000: Boltgun
Shared: Retro · Action · Pixel Graphics

DRAINUS
Shared: Action · Shoot 'Em Up · 2D

UFO 50
Shared: Action · Retro · Arcade