By extending the Sprite class and adding a bit of interactivity, you created your own Concentration game. Now, you also know how to change Sprite images on the fly and deal with text labels.

Concentration is a great brain game. However, sometimes you want more action. To make it harder, you can try making your own 6 x 6 game rather than this easy 4 x 4 game. Head on to the next chapter and let's make things move!