In the blue box is your previous answer. If a box turns green that is right. if it is yellow then you have the right number in the wrong place. ONLY SIX TRIES THEN YOU LOSE. This is a quick simple demo that I probably won't improve but that is a MIGHT.
If you have already played you can't play for the rest of the day. IF YOU DON'T HAVE AN ACCOUNT YOU CAN'T PLAY The Codle code changes every day