Leading online Sudoku offering unlimited puzzles since 2005.
Play simultaneously with others - try score the most points.
Great Sudoku variant where cells grouped in "cages" and you are given the total of each cage.
Interesting and challenging Sudoku variant where you are given the total of digits between the "1" and "9".
Need an extra challenge? Start with very few given numbers but introduces frame numbers to help solve.
Challenge human or computer opponents to Sudoku! It's exciting, it's fun.
Great Sudoku variation where the grid is in the shape of a honeycomb.
Unique derivative of Sudoku where you need to place given words into a grid.
Sudoku variant with 4 extra blocks that must contain unique numbers.