15,00 Sudoku Puzzles is packed with 15,000 challenges to keep even the most avid puzzle buff happy!
SYSTEM REQS : If ure pc can play Black Ops, you should be fine ;)

With Sudoku Epic, you can play billions of sudoku puzzles on your Mac. You can specify your difficulty setting from Very Easy to Very Hard, and choose board sizes between 4x4 and 16x16. If you have problems solving a puzzle, let the game give you sudoku tips. You can also enter puzzles from newspapers and solve them, or see the solution.