Nine: Sudoku Puzzle

A free, offline sudoku with one new puzzle a day, the same for every player in the world. Five levels, Easy to Evil, each one graded by the technique it actually demands. Nine is a sudoku you can trust. Every sudoku is graded by the technique it actually demands, not by how many squares are blank. When Nine says Expert, you will need an expert's move, not just a grid with fewer clues. Five levels, from Easy to Evil, each one verified strictly harder than the last: Easy asks for the simplest logic, Evil will not resolve without a real X-Wing. ONE SUDOKU A DAY, THE SAME FOR EVERYONE Every player in the world gets the identical daily sudoku, resetting at midnight UTC. Your time is comparable to anyone else's, so today's ladder means something: see how you rank worldwide, right next to your own personal best for that difficulty. Miss a day and the streak breaks, so keep it going. HINTS THAT…