Ceasar , you are pressing twice because if you press only one time to go forward you can acidentaly pass 2 frames , and there is no reason to go backwards since there is a resume at the end ( NoteBook ). This isn't a game , but it is suposed to help people. It's like Understanding Games. It is not really a game , but just an ''helper'' or an ''tutorial''
 "Mellora's Game Creation Tutorial Chapter 1"){kind=icon}