Games like Epic Trains 4
Games like Epic Trains 4 include Transport Fever 2, Transport Fever, Cities: Skylines II, Cities: Skylines, and Supermarket Simulator. We matched them by the tags players give Epic Trains 4 on Steam (Sandbox, Building, Capitalism, Driving, and Economy): closest matches first, and among equally close ones the better-known games.

Transport Fever 2
Shared: Management · Sandbox · Building

Transport Fever
Shared: Sandbox · Building · Driving

Cities: Skylines II
Shared: Building · Sandbox · Management

Cities: Skylines
Shared: Building · Sandbox · Management

Supermarket Simulator
Shared: Management · Economy · Building

Planet Coaster
Shared: Building · Sandbox · Management

Prison Architect
Shared: Building · Sandbox · Management

Big Ambitions
Shared: Capitalism · Economy · Sandbox

Software Inc.
Shared: Capitalism · Building · Sandbox

Planet Zoo
Shared: Building · Sandbox · Management

Euro Truck Simulator 2
Shared: Driving · Transportation · Economy

Transport Fever 3
Shared: Management · Transportation · Sandbox

Planet Coaster 2
Shared: Sandbox · Building · Economy

Startup Company
Shared: Management · Economy · Sandbox

Waterpark Simulator
Shared: Sandbox · Management · Building

Jurassic World Evolution
Shared: Building · Sandbox · Management

Jurassic World Evolution 2
Shared: Building · Sandbox · Management

NIMBY Rails
Shared: Building · Sandbox · Economy

Train Fever
Shared: Sandbox · Management · Trains

PC Building Simulator
Shared: Building · Sandbox · Management

Gas Station Simulator
Shared: Building · Economy · Management

American Truck Simulator
Shared: Driving · Transportation · Economy

Mashinky
Shared: Sandbox · Management · Trains

Mad Games Tycoon 2
Shared: Economy · Management · Building