Games like Rat Racer
Games like Rat Racer include BeamNG.drive, Wreckfest, Goat Simulator, Brick Rigs, and Assetto Corsa. We matched them by the tags players give Rat Racer on Steam (Racing, Indie, Simulation, Early Access, and Physics): closest matches first, and among equally close ones the better-known games.

BeamNG.drive
Shared: Simulation · Physics · Racing

Wreckfest
Shared: Racing · Simulation · Destruction

Goat Simulator
Shared: Simulation · Physics · Indie

Brick Rigs
Shared: Destruction · Physics · Simulation

Assetto Corsa
Shared: Racing · Simulation · Physics

Besiege
Shared: Simulation · Physics · Destruction

Teardown
Shared: Physics · Destruction · Indie

TRAIL OUT
Shared: Racing · Destruction · Physics

Liftoff®: FPV Drone Racing
Shared: Racing · Simulation · Indie

Storm Chasers
Shared: Indie · Simulation · Early Access

Wreckfest 2
Shared: Racing · Simulation · Destruction

Assetto Corsa Rally
Shared: Racing · Early Access · Physics

Turbo Dismount™
Shared: Simulation · Physics · Destruction

CarX Drift Racing Online
Shared: Racing · Simulation · Physics

People Playground
Shared: Physics · Simulation · Destruction

Dream Car Builder
Shared: Simulation · Racing · Indie

Uncrashed : FPV Drone Simulator
Shared: Simulation · Racing · Physics

Retrowave
Shared: Racing · Indie · Simulation

Kerbal Space Program
Shared: Simulation · Physics · Indie

Totally Accurate Battle Simulator
Shared: Simulation · Physics · Indie

SpeedRunners
Shared: Racing · Indie · Local Multiplayer

My Winter Car
Shared: Racing · Simulation · Early Access

Hard Bullet
Shared: Simulation · Indie · Physics

FlatOut 2
Shared: Racing · Destruction · Physics