
You can also unlock a new level of difficulty, Insane, that is sure to give all Sudoku fans their greatest challenge yet. Each time you successfully solve a Sudoku puzzle, you earn Journey Points that go toward unlocking new background images and sounds, giving you fresh accompaniment for your brain-teasing travels. Just dont ask for assistance too often, though, because every time you ask for a hint, you reduce your final score. Only logic can help you deduce the right numbers, although the game will fill in squares for you if youre stuck. The biggest puzzle craze to hit newspapers since the invention of the crossword, Sudoku challenges you to fill an 81-square grid with the numbers one through nine, so that those digits appear only once in each row and column, as well as in each three-by-three subset of the main grid.
