You can print out the game at any moment and play on paper. You can send the game to your friends, using possibilities of your browser. You can change the sizes of a game field, replace game blocks and change a level of difficulty of the game.

• Contents of this list are defined installed DLL. The installation DLL is made from program shell "LOG". You can change groups of blocks.
• The best quality of a graphics is provided on the maximum size of a field.
• At calculation of the score the net time of the game, amount of moves and attempt of a simple substitution of values is taken into account.
• The result of effect is better for checking up experimentally and to select most liked.
• In the game three levels of difficulty (in ascending order) are stipulated: "Beginning", "Foreman" and "Expert".
• The game will appear in your internet browser. You can send the game to your friends, using possibilities of your browser. Please enable your explorer print background, to print properly.
• Each game can be saved at any moment of time, and then loaded and continued.

More info:

http://www.qweas.com/download/game/puzzles/sudoku_graphic.htm