Millions of different possible puzzles
 Three difficulty levels from easy to hard.
 Check correctness as you go along
 Hints available when you get stuck
 Print out the puzzle so you can play your sudoku on pager.
 Variants:Nonomino Sudoku, also known as geometric Sudoku also included .

Last version: 2.14

Download Now (2.38M)

System Requirement: Microsoft Windows 98 /2000 /xp /Vista. 256 megabyte (MB) RAM or higher

Matrix Sudoku is distributed as Shareware. You can freely download and try it. If you want a registered (fully-function) version, you should pay the registration fee(only 9.9$).