Loot Ninja writes: "Sudoku became all the rage a few years back. You can't go to any news stand or read a newspaper without finding Sudoku puzzles everywhere. So it's only logical to bring the game to the iPhone.
If you're not familiar with Sudoku, let me break it down for you. The game consists of a 9×9 grid that must be filled with numbers. Each row, column, and the nine 3×3 boxes must each contain the numbers 1 through 9 but only once each. It's a fun challenge and can range from easy to insanely hard."