1. Full screen it 2. Start wildly playing with the keys on the computer, like you are doing something complicated. 3. When someone asks you what it is, say, "Some really hard game on scratch," and then if they ask what it is called, because the want to play, or anything else, say, "HAHA I TRICKED YOU!!!!!" and then tell them to play it.
I made this a REALLY long time ago and just found it. So weird!!!!!! See if you can also find the hidden message!