Games like Train Jumper
Games like Train Jumper include Transport Fever 2, Shelldiver, Euro Truck Simulator 2, Cookie Clicker, and Railway Empire. We matched them by the tags players give Train Jumper on Steam (Trains, 2D Platformer, Incremental, Management, and Transportation): closest matches first, and among equally close ones the better-known games.

Transport Fever 2
Shared: Trains · Management · Transportation

Shelldiver
Shared: Incremental · Management · Casual

Euro Truck Simulator 2
Shared: Transportation · Automobile Sim · Management

Cookie Clicker
Shared: Incremental · Management · Economy

Railway Empire
Shared: Trains · Management · Economy

American Truck Simulator
Shared: Transportation · Automobile Sim · Management

Transport Fever 3
Shared: Management · Transportation · Trains

Game Dev Tycoon
Shared: Management · Economy · Strategy

Mini Metro
Shared: Trains · Strategy · Management

Nodebuster
Shared: Incremental · Management · Strategy

Train Fever
Shared: Trains · Management · Economy

Mini Motorways
Shared: Management · Strategy · Transportation

Mashinky
Shared: Trains · Management · Economy

Cities: Skylines II
Shared: Management · Economy · Simulation

Startup Company
Shared: Management · Economy · Strategy

Planet Coaster
Shared: Management · Economy · Simulation

Railway Empire 2
Shared: Trains · Management · Transportation

(the) Gnorp Apologue
Shared: Incremental · Management · Economy

Supermarket Simulator
Shared: Management · Economy · Trading

Digseum
Shared: Incremental · Management · Casual

Cities: Skylines
Shared: Management · Economy · Strategy

A Game About Feeding A Black Hole
Shared: Incremental · Strategy · Relaxing

TCG Card Shop Simulator
Shared: Management · Economy · Simulation

Game Corp DX
Shared: Management · Economy · 2D

