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.
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.
Solve color-based nonogram puzzles by filling squares to reveal hidden images. Use numbers above columns and left of rows to determine color placements. Adjust colors to match clues and complete each puzzle.
Solve puzzles by circling correct and erasing others. Complete rows, columns, and colored regions to match given . Track progress and replay puzzles for continued practice.
Solve puzzles with additional numbers outside the grid indicating the sum of cells between 1 and 9 in each row and column. Complete puzzles with varying difficulty levels. Track progress and view hints when needed.
Solve puzzles by filling 9x9 grids with numbers 1-9. Each row, column, and 3x3 nonet must contain unique numbers. Cages with dashed lines have sums; numbers in cages must be unique. Track progress and complete puzzles.
Solve -based crosswords by dragging number tiles into grids. Complete equations with balanced rows and columns. Track progress and unlock new puzzles. Share scores with friends.
Colored balls into tubes to progress through levels. Match colors to clear tubes and reveal new hues. Track progress and unlock additional colors as you advance.
Place tiles matching exposed ends of the chain. Draw tiles if no match is available. Score points for multiples of five at exposed ends. Earn additional points for remaining pips in opponent's hand. First to reach a set score wins.