The game is ok, but why didn't you add normal graphics( computers emotions or hands on keyboard) or even a better menu for such easy to make mechanic? Also at score close to 100, some numbers starts going really fast and that is just impossible to translate. Also, it would be a good point if in the game was end or something, when you reach score 100-200. So, you could continue making this and that may become a good education game. Good luck.