Angryr

So I made a mod (for the base vanilla game) to add another difficulty/handicap level to the game. The thing is, I designed it to be between Manager and Employee difficulties but when I played my game-mode and won a match I was given all the achievements for winning a match on X difficulty (all the way to Guru). Is this a bug or did I miss a field that allows you to set the 'position' of your custom handicap relative to the other ones? Sorry if this is wrong section, I di