Printable Sudoku
Play / Solve
Hard Sujiken Puzzles
Sujiken puzzles are a unique and innovative type of logic puzzle that contains triangle-based grids, unlike traditional Sudoku, which uses a square grid. It is constructed from 45 cells placed in a right-triangle. The cells contain digit from 1 to 9. As with Sudoku, you must ensure no digit is repeated within a row, column or one of the three 3x3 larger squares.
Showing 1-10 of 10 records
Sort by:
You are browsing category Hard show all
Sujiken - Hard - 10
Sujiken - Hard - 9
Sujiken - Hard - 8
Sujiken - Hard - 7
Sujiken - Hard - 6
Sujiken - Hard - 5
Sujiken - Hard - 4
Sujiken - Hard - 3
Sujiken - Hard - 2
Sujiken - Hard - 1
To solve the puzzle you must place the digital as per the following rules:
- No digit repeats in any horizontal row, vertical column, or diagonal in any direction.
- No digit repeats in any of the three larger 3x3 square regions enclosed by thick borders.
- No digit repeats in any of the three larger triangular regions enclosed by thick borders.
Sujiken puzzles offer a fresh and challenging twist on traditional Sudoku puzzles. Perfect for puzzle enthusiasts, these puzzles test both spatial reasoning and numerical skills.