Printable Irregular Sudoku Puzzles (Daily update) The new games can be referred to Jigsaw Diagonal Sudoku or Jigsaw X Sudoku. Jigsaw Sudoku can also add rules of having two diagonal lines. Number 1-N can only appear once in each group.Number 1-N can only appear once in each row.

Number 1-N can only appear once in each column.

The solving process for Jigsaw Sudoku is to fill numbers from 1-N in NxN grids.Numbers cannot be repetitive in each row, each column, each group (N grids in rough-line boxes). By pressing 'New Puzzle.', you can choose game size and difficulty level.

Jigsaw Sudoku puzzles on ol have seven sizes of “3x3,4x4,5x5,6圆,7x7,8x8,9x9” with ten difficulty levels. Different from standard Sudoku, jigsaw Sudoku uses irregular gridding groups to replace traditional 3x3 grids.

Process of Elimination: Use the process of elimination to determine where numbers cannot go, thereby identifying where they can go.Jigsaw Sudoku is also referred to puzzle Sudoku.

Check for Constraints: Ensure that the placement of a number doesn’t violate the basic Sudoku rules.

Look for Certainties: Always place numbers that are certain first and then work on the probable ones.

Use Pencil Marks: Employ pencil marks to keep track of possible numbers for each cell.

Avoid Repetition: Pay attention to avoid repeating numbers in each row, column, and irregular area.

Unique Numbers: Ensure every row, column, and irregular area has unique numbers from 1-9.

Each of these areas must also contain the numbers 1 through 9 with no repetition.

Irregular Areas: Unlike classic Sudoku, the 9x9 grid is divided into several irregularly shaped areas.

No Repetition: Each row, column, and outlined area must contain no repeated numbers from 1 to 9.

Numbers: You must fill each cell of the grid with numbers from 1 to 9.

Grid: The puzzle consists of a 9x9 grid.

The primary distinguishing feature of this puzzle is the presence of irregularly shaped, non-rectangular areas, which replace the traditional 3x3 boxes found in standard Sudoku. Jigsaw Sudoku, also known as 'Geometry Sudoku', 'Geometry Number Place', 'Irregular Sudoku', or 'Kikagaku Nanpure', is a variant of the classic Sudoku puzzle.

Jigsaw sudoku daily