Games like Mountain Bicycle Rider Simulator
Games like Mountain Bicycle Rider Simulator include Forza Horizon 5, Riders Republic, Forza Horizon 6, Descenders, and Assetto Corsa. We matched them by the tags players give Mountain Bicycle Rider Simulator on Steam (Sports, Racing, Open World, Third Person, and Bikes): closest matches first, and among equally close ones the better-known games.

Forza Horizon 5
Shared: Racing · Open World · Driving

Riders Republic
Shared: Racing · Sports · Open World

Forza Horizon 6
Shared: Racing · Open World · Sports

Descenders
Shared: Sports · Racing · Cycling

Assetto Corsa
Shared: Racing · Sports · Open World

BeamNG.drive
Shared: Open World · Racing · Driving

CarX Street
Shared: Racing · Open World · Sports

Steep™
Shared: Sports · Open World · Racing

JDM: Japanese Drift Master
Shared: Racing · Open World · Sports

RIDE 4
Shared: Racing · Sports · Open World

Lonely Mountains: Downhill
Shared: Sports · Bikes · Racing

Need for Speed™ Heat
Shared: Racing · Open World · Driving

SnowRunner
Shared: Open World · Driving · Simulation

Euro Truck Simulator 2
Shared: Open World · Driving · Simulation

Jalopy
Shared: Racing · Open World · Driving

Wheel World
Shared: Sports · Racing · Bikes

Test Drive Unlimited Solar Crown
Shared: Racing · Open World · Exploration

The Crew™ 2
Shared: Racing · Open World · Driving

Wreckfest
Shared: Racing · Sports · Driving

Need for Speed™ Payback
Shared: Racing · Open World · Sports

Assetto Corsa Competizione
Shared: Racing · Sports · Open World

Forza Motorsport
Shared: Racing · Sports · Driving

Assetto Corsa EVO
Shared: Racing · Sports · Driving

Automobilista 2
Shared: Racing · Sports · Simulation