OpenTTD,Capitalism Lab - Taking Business Simulation to a New Frontier
IDE：Download and install Lazarus version 2.0.4 from [here](https://sourceforge.net/projects/lazarus/files/Lazarus Windows 64 bits/)
The engine is available on the terms of LGPL >= 2 license with "static linking exception". This is the same license as used by FPC RTL and Lazarus LCL. In short, you can make commercial and closed-source games using the engine, you only have to share your modifications to the engine core. See COPYING.md for details.