In the project, the variables section Process_Globals is the inscription:
'These variables can be accessed from all modules.
In fact, the declaration of a variable (Dim Score As Int) is not accessible from another module, where am I wrong?
If you declare Dim Score As Int in the Main module you nedd to add the module name as a prefix to the variable when you want to access it from another module.
In your case : Main.Score = something