Knockout City is the high action title developed by Velan Studios that ties the nostalgic thunk of a dodgeball with a futuristic sci fi world. If you want to succeed and be the top brawler, though, you're going to need to learn some tricks of the trade.
Good shading can make your digital illustrations really pop off of the screen, giving them a more dimensional feel. However, there are nearly as many different ways to shade as there are artists. Here are a couple of techniques to get you started.