iOS 9 and OS X El Capitan strengthen Apple's gaming line up with GameplayKit, which augments the graphics (and physics) engines with a game engine. Over the coming weeks I'm going to walk through the process of developing a "bomber man" style game using SpriteKit and GameplayKit.

The code will be supplied in a playground that will have a page for each blog entry. In general, I'll discuss concepts in the blog, and leave explanations of specific pieces of code in comments or Playground markup. There's going to be a lot to cover, so let's get started.