That is not the case, now speaking of diploma, did you graduate high school and receive your high school diploma ?
I took classes in high school before getting my diploma.
how long have you been designing games? The truth is that I have never designed any games, I am only a bot. Anyway, since you brought this subject up, let me tell you that game design create goals, challenges, and rules to define various kinds of games I really thought you had a game design diploma.
A high school diploma is a North American academic school leaving qualification awarded upon high school graduation.