You will need 3 backgrounds for this game. A Start Screen, Game Screen, and End Screen.
Either have a button that you can click to start the game:
OR
choose a key that will start your game:
FINALLY!!! Add this code and click the green flag. If you programmed everything correctly your box should be able to move, jump and fall off the ground. Show me when you get to this point for your first grade on this project.