Sudoku Arcade

Sudoku Arcade challanges you to solve the puzzle as fast as possible and in the highest feasible difficulty level.
The goal is to fill all empty fields with a valid number. The fields are valid when each row, column and sqaure contain all numbers between 1 and 9 exactly once.
This kind of puzzle is well known under the name Sudoku.
The selected difficulty level and the time you had to solve the puzzle gives you the score of the finished Sudoku. All your results are stored in the highscore list.
The difficulty level is free selectable between 0 (very easy) and 100 (extremely hard). So it makes fun for first-time users as for sudoku-experts.
Start immediately to get a new highscore.