OpenTTD - An open-source clone of the classic game ...
Rail Nation - Become a logistics tycoon in this fascinating railroad strategy game.
Simutrans - Simutrans is an open-source transport simulator.
RollerCoaster Tycoon Classic - Create and run amazing parks on your iPhone or Android.
Transport Tycoon Deluxe - Transport Tycoon Deluxe is a Business Simulation developed by Chris Sawyer and published by MicroProse.
Railroad Tycoon - Railroad Tycoon is a very first installment in the series of Railroad Tycoon that was released in 1990 developed by MPS Labs and published by MicroProse.