Ultimate Sudoku Contest

This is NOT ONLY one of the most complete sudoku collections with more than 10.000 hand picked sudoku grids. This is unique because it offers:

- Five hand picked levels of difficulty : easy, medium, hard, extreme and a level for daily picked contest puzzles.
- UNLIMITED undo and redo options to help you complete the puzzle
- Pause and start the game, or even save it to complete later.
- The ability to make notes, or auto-notes in the help options.
- Statistics for every level of the game, games played, average time, best time, percentage completed, etc.
- Beautiful high resolution design.
- Totally free! No limits, no purchases.

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