I just got the creator and I'm eager to make a game on it! I don't know what the game is going to be about, but I think its just going to be a game to test out the features.
Develop games in your browser. Powerful, performant & highly capable.
Well, best of luck to you and have fun playing with the program! Check out the manual, tutorials, and the forums, for sure, especially to learn what resources are available to you for problem solving. Then there are lots of helpful people on the forums to help you if you get stuck and can't find the answer yourself.