Games like LouveSystems' TrackMasters
Games like LouveSystems' TrackMasters include Garry's Mod, CarX Drift Racing Online, Drift86, Need for Speed™ Unbound, and Wreckfest. We matched them by the tags players give LouveSystems' TrackMasters on Steam (Indie, Casual, Racing, Multiplayer, and Sandbox): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Multiplayer · Casual

CarX Drift Racing Online
Shared: Racing · Multiplayer · Sandbox

Drift86
Shared: Racing · Casual · Multiplayer

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

Wreckfest
Shared: Racing · Multiplayer · Indie

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

Brick Rigs
Shared: Sandbox · Multiplayer · Building

Disney Speedstorm
Shared: Racing · Multiplayer · Casual

The Crew Motorfest
Shared: Racing · Multiplayer · Driving

Terraria
Shared: Sandbox · Multiplayer · Building

The Crew™ 2
Shared: Racing · Multiplayer · Driving

Stardew Valley
Shared: Multiplayer · Indie · Sandbox

CarX Street
Shared: Racing · Multiplayer · Sandbox

Rust
Shared: Multiplayer · Building · Sandbox

House Flipper
Shared: Multiplayer · Casual · Building

Tower Unite
Shared: Casual · Multiplayer · Indie

Zeepkist
Shared: Racing · Multiplayer · Sandbox

Barro
Shared: Indie · Racing · Multiplayer

SpeedRunners
Shared: Racing · Indie · Multiplayer

Need for Speed™
Shared: Racing · Multiplayer · Driving

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

Need for Speed™ Most Wanted
Shared: Racing · Multiplayer · Driving

FlatOut 2
Shared: Racing · Multiplayer · Driving

Forza Horizon 5
Shared: Racing · Multiplayer · Driving