Building the skeleton of the app

Let's start implementing the skeleton of our game using the SpriteKit game template.

Creating the project

For implementing a SpriteKit game, Xcode provides a convenient template, which prepares a project with all the useful settings:

1. Go to New| Project and select the Game template, as shown in this screenshot:
   
2. In the following screen, after filling in all the fields, pay attention and select SpriteKit under Game Technology, like this:
   
3. By running the app and touching the screen, you will be delighted by the cute, rotating airplanes!
   

Implementing the menu

First of all, let's add CocoaPods; write the following code in the Podfile:

use_frameworks!

target 'FlappySwift' do
  pod 'Cartography', '~> 0.5'
  pod 'HTPressableButton', '~> 1.3'
end 

Then install CocoaPods by running the pod install command. As usual, we are going to implement the UI without using Interface Builder and the storyboards. Go to AppDelegate...