WellSudoku is a new look on traditional sudoku game popular all over the world. You are to fill all the blank squares on the playing field with yellow numbers to get the highest score. Some of the squares are already filled in. The more squares that are known, the easier it is to figure out which number fits into the open squares. You may choose a puzzle type of WellSudoku (from 4×4 to 16×16) and a skill level. Note that you can also compete online with other players - and this is the N1 feature of this game.