First of all, let's remove the following files as we won't need them:

We'll use groups to separate our classes. This will allow us to keep things organized. To create a group in Xcode, you should right-click on the root project folder in Xcode, Cocohunt in our case, and select the New Group menu option (command + alt + N). Refer to the following sceenshot:

Creating a new group

Go ahead and create a new group and name it Scenes. After the group is created, let's place our first scene in it.

We're going to create a new Objective-C class called GameScene and make it a subclass of CCScene. Right-click on the Scenes group that we've just created and select the New File option.