NumCross: Math Crossword

NumCross is a crossword made of math. Every row and column is an equation — fill in the missing numbers to make them all true. HOW TO PLAY • Tap an empty cell, then tap the right number tile — or simply drag the tile onto the cell. • Each tile is used once. Every equation across and down must add up. • A wrong number turns red, so you can fix it right away. • Complete every equation to solve the puzzle. FEATURES • Endless levels — a fresh puzzle every time you play • Four difficulty modes: Easy, Medium, Hard and Expert • Easy uses addition and subtraction; harder modes add multiplication and division • Every puzzle has exactly one solution • Hints when you get stuck, plus undo for any move • Pause anytime — your game is saved automatically • Optional timer: race the clock or play at your own pace • Large, easy-to-read numbers and a calm, paper-notebook design • Works offline — no internet needed to play • Available in English and Russian Whether you love sudoku, kakuro, or simple mental math, NumCross is a relaxing way to keep your mind sharp. Just a few minutes a day of number puzzles is great brain training for adults and seniors. NumCross is free to play and supported by ads.