Ohhhhhkaaaayyy. 
I donāt understand the majority of what that is all about but Iām guessing that certain combos of actions get you more ālevel-upsā than others. Thatās still pretty inovative the way that the did it. Itās definately original, and strange.
Although, I still wasted about 20 minutes messing with it. I guess that is the purpose.
Adam
strange but true