Let's create boarding game.

http://p-ject.com/%E0%B9%80%E0%B8%81%E0%B8%A1%E0%B8%AA%E0%B9%8C%E0%B8%AA%E0%B8%99%E0%B8%B8%E0%B8%81%E0%B9%86-%E0%B8%9D%E0%B8%B6%E0%B8%81%E0%B8%A0%E0%B8%B2%E0%B8%A9%E0%B8%B2%E0%B8%AD%E0%B8%B1%E0%B8%87%E0%B8%81%E0%B8%A4/

http://www.education.ox.ac.uk/ndcs/pictures/bg1.jpg