I'm new here so forgive me if I have some lingo wrong.
I am designing an app for hockey players that trains them in stickhandling skills. The app tracks time you watch videos/do the exercises.
We want to have the players progress through levels (34 levels), so we can celebrate their progress and give them something to chase after. The truth is the more they drill, the better they actually become, so it really benefits them.
My problem is I don't know how to really design the levels. You train by running through a playlist, let's say that's a standard 4 minutes of training (Somewhat high intensity, too). My thought was doing the first playlist gets you the first level, and it's pretty easy through the first 5. Then it gets tougher each 5 levels until the last 4-5 are really difficult.
Is there some kind of formula for this to design it so the levels make sense vs. just guessing? We want them to train and progress through the levels, not being too hard or too easy.