Creating UI Buttons to move between scenes

The majority of games include a menu screen that displays messages to the user about instructions, high scores, the level they have reached so far, and so on. Unity provides UI Buttons to offer users a simple way to indicate their choices:

Figure 2.3 – Example of a Main Menu UI Button

In this recipe, we'll create a very simple game consisting of two screens, each with a button to load the other one, as illustrated in the preceding screenshot.