Does the puzzle change daily?
Yes. It changes with your local calendar date. Progress stays on this device; replaying the same date uses the same puzzle.
Crack a three-digit code in six guesses
A free daily deduction game in your browser. Find three different digits from 1 to 9 in the right order. After each guess, see how many digits have the right position and how many belong elsewhere. Everyone playing the same date gets the same code, in every language.
Practice deduction and planning
Yes. It changes with your local calendar date. Progress stays on this device; replaying the same date uses the same puzzle.