Number Sleuth: Daily Puzzle

Find the hidden rule between the numbers. Start at Level 1 and level up one puzzle at a time. Puzzle types · Sequences: what number comes next? · New operators: how does the new symbol work? · Digit chains, number mappings, numbers in shapes, matchstick equations Why it is different · Each level is a little harder than the last, and your level and difficulty are always in view · Every puzzle is checked by a solver to have exactly one answer · Hints work through the puzzle's own numbers, with a clear explanation once you finish · Look back at any puzzle you have finished · Send any puzzle to a friend by link, even one you could not solve. They can play it right away, no app needed · Korean, English and Japanese, chalkboard dark mode, large text, optional sound effects No sign-up. Your progress stays on your device.