Thanks for many advice. I'm self taught by reading tutorial, following example. Don't really know the name of concept or terminology that is common. I follow the web link and am sure i like 'procedural' style more than OOP. I read about data driven programming and it look very interesting. I will st...

Thanks RNavega for the advice and learning resource. I do understand OOP but i don't like it. I prefer central management instead of OOP. Many of my friend try to convince me to use OOP but i'm not having fun programming in OOP so i stick to function style (I don't know how to call it.) To explain, ...

Thank you MrFariator for advice.

I'm new to programming and English is not my first language, please don't mind my words. The code is not exact like the code i used. I decided is to use number (1, 2, 3 ... 9) to access the menu. For example, 1 for start game, 2 for settings, 3 for credits, 4 for quit game and escape to back up one ...