It becomes more difficult when you get to the point of using a weaker weapon with faster fire rate or stronger weapon with slower fire rate. But there are clear differences between each level of your weapon, they are rather slight though.Įvery blue bar, should increase or decrease slightly with each weapon upgrade, the problem is it is such a small difference its hard to notice.
I can't answer both questions exactly, because I do not have the numbers in front of me because I am at work.
