A screenshot of Xcode's code editor. At the left is the File Explorer, with three folders listed. The first is Shared, and contains GameScene.swift and Assets.xcassets. The second is Jigsaw and contains AppDelegate.swift, GameViewController.swift, Main.Storyboard, LaunchScreen.storyboard, and Info.plist. The last folder is Jigsaw (macOS) and contains AppDelegate.swift, ViewController.swift, Main.storyboard, Info.plist, and Jigsaw_macOS_entitlements.