Crack your opponent's secret 4- or 5-digit code before they crack yours — a free online
brain game of logic and deduction. Play in your browser, on Android or iOS.
How to play
Pick a secret 4- or 5-digit number with no repeating digits.
Take turns guessing. After each guess you learn how many digits are correct and how many sit in the right place.
Be the first to find your opponent's number to win.
Play vs computer or friends · Global leaderboards · Free to play · Web & mobile