Games like Derail Valley
Games like Derail Valley include BeamNG.drive, Euro Truck Simulator 2, American Truck Simulator, Train Sim World® 2, and Train Simulator Classic. We matched them by the tags players give Derail Valley on Steam (Trains, Simulation, Realistic, Transportation, and Driving): closest matches first, and among equally close ones the better-known games.

BeamNG.drive
Shared: Simulation · Realistic · Driving

Euro Truck Simulator 2
Shared: Simulation · Transportation · Driving

American Truck Simulator
Shared: Simulation · Driving · Realistic

Train Sim World® 2
Shared: Trains · Simulation · Realistic

Train Simulator Classic
Shared: Trains · Simulation · Realistic

Train Sim World® 3
Shared: Trains · Simulation · Realistic

City Car Driving
Shared: Simulation · Realistic · Driving

Assetto Corsa
Shared: Simulation · VR · Realistic

My Summer Car
Shared: Simulation · Realistic · Driving

Forza Horizon 5
Shared: Realistic · Driving · Simulation

Train Sim World® 5
Shared: Trains · Simulation · Realistic

Train Sim World® 4
Shared: Trains · Simulation · Transportation

X-Plane 11
Shared: Simulation · Realistic · VR

Gold Mining Simulator
Shared: Simulation · Realistic · Open World

Motor Town: Behind The Wheel
Shared: Simulation · Driving · Transportation

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Simulation · Realistic · VR

Train Sim World® 2020
Shared: Trains · Simulation · Realistic

Transport Fever 2
Shared: Simulation · Trains · Transportation

SnowRunner
Shared: Simulation · Driving · Realistic

SimRail - The Railway Simulator
Shared: Simulation · Trains · Realistic

Car Mechanic Simulator 2021
Shared: Simulation · Realistic · Driving

Railroader
Shared: Trains · Simulation · Transportation

Trans-Siberian Railway Simulator
Shared: Trains · Simulation · Driving

Hmmsim Metro
Shared: Trains · Simulation · Realistic