Sudoku is classic board puzzle game played in the rows and columns are 9 squares (made up of 3 x 3 spaces)

Fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 boxes contains all of the digits from 1 to 9.

Sudoku game: drag and place one of each tile in every row, column and box.

A grid of cells is divided into outlined containers containing up to five cells. You need to fill each container with unique digits, counting up from 1. Fill the grid so that no same digit is touching, not even diagonally.

The aim of the puzzle is to enter a numeral from 1 through 9 in each cell. In every row, column, box and two main diagonals the numbers 1 through 9 may only occur once. Some cells already contain numbers (called givens ), you need to fill the empty cells.

Ultimate Sudoku offers the typical Sudoku feeling. In this game we have to fill in the numbers in each block, where each number can only appear once in the row and column. Game saves automatically when everything is solved. If you take too many tips or have them solved automatically, the points are zero. No points will then be transferred.

Mobile friendly
Play Killer Sudoku or Sumdoku. Fill the grid with the numbers 1 to 9, such that each row, column and box contains each number only once. Additionally, a Killer Sudoku grid is divided into cages, each cage has its own background color. The values of the cells in a cage must sum up to the total for that cage, shown in the cage's top left corner. The same number cannot appear in a cage more than once.

Mobile friendly
Everyday new Wordoku levels. A wordoku is a sudoku with letters. Every letter only appears once per row, column or 3x3 box.

Mobile friendly
Move all falling numbers according to the sudoku rules. No number of 1-9 may be used more than once in a row, column or 3x3 square. Wild tiles may be used for any number and the golden tiles increase your score. Use the arrows (arrow keys) to move the tiles, the space bar drops down the numbers.