This is a quick « Game From Scratch » C# tutorial in CRYENGINE V
You can get the code I used over on the forum thread: https://www.cryengine.com/community/viewtopic.php?f=291&t=133667
Make sure you have the pre-requisites installed:
GTK# for .NET: http://www.mono-project.com/download/#download-win
Mono Libraries: https://files.xamarin.com/~jeremie/MonoLibraries.msi
See also: http://docs.cryengine.com/display/CEPROG/CE%23+Framework#CE#Framework-GettingStarted%28RunningC#inMonoDevelop
Source