Royal Sudoku 1.0:\
Games / Puzzles / Royal Sudoku 1.0
Added: Nov 08, 2005
Rating: 4.00 out of 5 stars Popularity: 
Royal Sudoku 1.0 Screenshot
A complicated version of sudoku game destined for real kings of puzzles. Rules are simple. Each row, column and subgrid inibox (4x4) comprises the numbers 1 through 16 or letters A through P or anything else.