Idea and sketches I combine together, so I will not post to many thing. 

Mind Mapping

Logo Design (Sketches)

So this 3 photo below this is my first idea before I got Idea making about Greek Mythology.

thinking what weapon should I do for tutorial

First Interface Idea

Second Interface Idea

After that, I got the Idea of Greek Mythology Popular Culture: God Of War

these some weapon I will do for tutorial

Final Interface Design (Sketches)