Games like Arcadia
Games like Arcadia include Hotline Miami 2: Wrong Number, Halo: Spartan Assault, Hotline Miami, BALL x PIT, and Warhammer 40,000: Boltgun. We matched them by the tags players give Arcadia on Steam (Top-Down Shooter, Action, Retro, Pixel Graphics, and Arcade): closest matches first, and among equally close ones the better-known games.

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Retro

Halo: Spartan Assault
Shared: Top-Down Shooter · Action · Shooter

Hotline Miami
Shared: Action · Pixel Graphics · Retro

BALL x PIT
Shared: Action · Arcade · Top-Down Shooter

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

DoDonPachi Resurrection
Shared: Top-Down Shooter · Action · Arcade

Broforce
Shared: Action · Pixel Graphics · 2D

Planes, Bullets and Vodka
Shared: Action · Retro · Arcade

METAL SLUG 3
Shared: Action · Arcade · Retro

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

ARCADE GAME SERIES: GALAGA
Shared: Action · Arcade · Retro

Cyberhunt
Shared: Action · Arcade · Pixel Graphics

METAL SLUG X
Shared: Action · Arcade · Retro

METAL SLUG
Shared: Action · Arcade · Retro

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Space

Huntdown
Shared: Pixel Graphics · Action · Shooter

Vampire Survivors
Shared: Pixel Graphics · 2D · Action

Kill The Crows
Shared: Action · Top-Down Shooter · Arcade

UFO 50
Shared: Retro · Action · Pixel Graphics

Half-Life 2
Shared: Action · Sci-fi · Shooter

LUFTRAUSERS
Shared: Action · Arcade · Pixel Graphics

Sonic Mania
Shared: Retro · 2D · Pixel Graphics

Half-Life
Shared: Action · Shooter · Sci-fi

UBERMOSH Vol.5
Shared: Action · Retro · Arcade