OpenTTD - An open-source clone of the classic game ...
Transport Tycoon Deluxe - Transport Tycoon Deluxe is a Business Simulation developed by Chris Sawyer and published by MicroProse.
Simutrans - Simutrans is an open-source transport simulator.
Rail Nation - Become a logistics tycoon in this fascinating railroad strategy game.
TheoTown - A City simulation game with great nostalgic graphics.
Game Dev Tycoon - Game Dev Tycoon is an addictive, Strategy, Business Simulation, and Single-player video game developed and published by Greenheart Games.