Wrapping up the game

In this section, we will add three new screens and navigate between these screens.

These screens are as follows:

• Menu screen: The first screen the player will see, with options to play the game, view the settings, or exit the game.
• Settings screen: The settings allow us to change the music volume via a Slider widget or go back to the menu screen.
• Game over screen: We will show this screen when the player's health is 0 and allow them to go back to the menu screen to play again.

These three screens will use standard Flutter widgets; we will use Flutter navigation routes to navigate between them and our game widget to play the game.

Let's get started by adding each of these screens.

Adding a menu screen

In this section, we will add a menu screen to help us navigate between each of the game's screens by following these steps:

1. In the project's lib directory, create a new folder called widgets to hold our...