To write a game using
MonoGame and for the game to work on different platforms, you need
Visual Studio with the
Xamarin option.
If you do not have
Visual Studio installed with the
Xamarin option, you need
install Visual Studio with Xamarin option ...
Attention!
If you do not have the
MonoGame library installed, you need to install:
Installing MonoGame (download and install) for Windows inside Visual Studio ...