Where to Go From Here?
You can grab the completed sample files for this project from here.
Now that you have a good understanding of the work required to convert your iOS targeted project to a iOS / Mac targeted project, you’ll definitely want to create any new Sprite Kit games with cross-platform capabilities right from the start. I have made a cross-platform Sprite Kit project starter template on Github that might be useful – you can clone and use for your own games.
To learn more about making games that work on both iOS and OS X (especially related to scene sizes, image sizes, and aspect ratios, and UIKit vs. Cocoa Touch considerations), check out the upcoming second edition of our book iOS Games by Tutorials, where we go into more detail.
If you have any comments or questions, feel free to join the discussion below!