Press green flag to start. Use mouse cursor and click on the red box where you think the hiding characters are. Press space then green flag to reset.
Thank you Shahrizod and Pratham for help. Rare glitch that it starts wrong, just press green flag again to fix it. If it doesn't say Find Creative in the beginning, that is the glitch. GAME IS MADE FOR A YOUNGER AUDIENCE Will make it harder; work in progress.