wordoku, sudoku using symbols, different sizes (4x4, 6x6, 9x9, 16x16) plus differently shaped puzzles and the "samurai" (5 interlocking 9x9 boxes) ----those are really REALLY HARD!!!
There are several places where one can play sudoku online. Some interactive online sudoku websites include Web Sudoku, Sudoku Saviour, and You Play. Sudoku puzzles can also be printed out and completed by hand, and these types of puzzles can also be found on these websites.
there is no real satistics to a sudoku so unluky the are many ways to do a sudoku
Sudoku is a noun.
Lovers of sudoku can visit the BrainBashers website where they can find daily sudoku games. Billions of free sudoku can also be found on Websudoku. This is unlimited and can be played on all devices such as android or Ipad.
-Word Search-Crossword-Letter drop-Maze-CryptographJigsaw, crossword, Sudoku
There is a World Sudoku Championship held every year since 2006. It is run by the World Puzzle Federation, and more info can be found in the related links.
Sudoku Gridmaster happened in 2006.
Buku Sudoku happened in 2006.
Zen of Sudoku was created in 2006.
Zen of Sudoku happened in 2006.
Rubik's Sudoku was created in 2006.
Pyramid sudoku is a regular sudoku board with shaded areas. Not only does one need to complete the regular sudoku, but the shaded areas can only have 1-9 as well.