Nice job! You finished this entire chapter, and while it was easier than the others, it definitely had some more advanced topics in it. Before you move on to the questions and then the drills, you should definitely review the chapter. Once you feel you're ready to, move on.
What is an INI file, what are its components called, and how do you structure it?
How do you create and use a spritefont?
What are the other two ways to use files in GameMaker?
What are some different ways that you can encrypt data in GameMaker?
What should you combine the use of encoding functions in GameMaker with, and why?
Allow the player to rebind other keys that have been used in the game, and save these too.
Create a highscore leaderboard wherein multiple highscores are saved and ranked.
Add score bonus items that the player can pick up.
Nice job! You've now finished the entire chapter, and this game project too! Before moving onto the next chapter, you might want to review the past chapters...