Thank you!
The unlock and lock iceball thing was really a thing I was thinking about how to make it right..:/
But I wanted a game where you have to grind a little bit to gain some skills and better stats.
A game where you are not strong but get stronger after every failure was my goal. But it's totally fair if this type of game is not for you! Even friends of me don't like this game types haha.
And I fell dumb - How can I forget such an important and common feature like a skillable collecting radius...XD