Talk:Going Transonic/@comment-108.31.98.136-20140912011015/@comment-25297120-20140912042941

If you meant mastered in Needs practice > Practiced > Level 1 > Level 2 > Mastered progress, yes.

If you have earned this badge in any particular exercise, it is obvious that you can't earn it again. It is possible to earn speed badges multiple times in various exercises.

It seems impossible for humans to earn speed badges in some exercises because of the harsh condition. Say, you have to click the mouse about 20 times to complete a problem and you have only 4 seconds to do that.