Simutrans – Free Transportation Simulator Game. Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations.
intelligent routing of vehicles, passenger, mail and freight
customisable engine with many different graphics
very flexible fine tuning of the economy by simple config files
network gaming for up to 14 player together
you set your goal: suitable for anybody (even used for teaching)