Games like Arcade Galaxy
Games like Arcade Galaxy include Garry's Mod, s&box, Disney Speedstorm, WEBFISHING, and Zeepkist. We matched them by the tags players give Arcade Galaxy on Steam (Casual, Racing, Sandbox, Combat Racing, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Casual · Multiplayer

s&box
Shared: Casual · Sandbox · 3D Platformer

Disney Speedstorm
Shared: Racing · Combat Racing · Multiplayer

WEBFISHING
Shared: Casual · Multiplayer · Cute

Zeepkist
Shared: Racing · Sandbox · Level Editor

Grand Theft Auto V Legacy
Shared: Multiplayer · Action · Racing

FlatOut 2
Shared: Racing · Combat Racing · Multiplayer

Tower Unite
Shared: Casual · Multiplayer · Sandbox

CarX Drift Racing Online
Shared: Racing · Sandbox · Multiplayer

Need for Speed™ Unbound
Shared: Racing · Multiplayer · Combat Racing

Need for Speed™ Heat
Shared: Racing · Multiplayer · Combat Racing

Need for Speed™ Payback
Shared: Racing · Combat Racing · Multiplayer

Garfield Kart
Shared: Racing · Combat Racing · Casual

House Flipper
Shared: Casual · Multiplayer · Sandbox

Drift86
Shared: Racing · Casual · Multiplayer

SpeedRunners
Shared: Racing · Multiplayer · Casual

PowerWash Simulator
Shared: Casual · Multiplayer · Sandbox

The Crew™ 2
Shared: Racing · Multiplayer · Action

Crashday Redline Edition
Shared: Racing · Combat Racing · Casual

Bloons TD 6
Shared: Casual · Multiplayer · Sandbox

CarX Street
Shared: Racing · Multiplayer · Sandbox

Fireworks Mania - An Explosive Simulator
Shared: Sandbox · Multiplayer · 3D

MECCHA CHAMELEON
Shared: Casual · Multiplayer · Colorful

Goat Simulator
Shared: Sandbox · Casual · Comedy