Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Collect digits to form the largest number and earn in-game currency. Use earned money to build tower barracks. Deploy soldiers in a battle card game to fight and progress.
Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
Play Sudoku to challenge your mind with a 9×9 grid. Fill rows, columns, and 3×3 sub-grids with digits 1–9. Choose from easy, medium, hard, or expert levels. Disable numbers after all instances are entered. Use note-taking and hints when needed.
Guess a 3 or 4 digit number with unique digits. Receive feedback with A/B indicators showing correct digits in the right position and correct digits in wrong position. Adjust guess limits and number ranges.
Solve -based puzzles by matching and combining digits. Clear grids by creating sequences of ten. Track progress through multiple levels. Adjust difficulty settings. Use hints to solve challenging puzzles. Share achievements with friends.