Sudoku is a logic based number placement puzzle.Each Sudoku puzzle has a unique solution. The rules of Sudoku are simple: each rows or columns or squares must contain the numbers 1 to 9 and no number repeat.
Sudoku Master is a great sudoku app in Brain & Puzzle! You never need a paper puzzle again! Exercise your brain, enjoy Sudoku Master! This is a free version with banner ads.
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Features:
* 3 levels: easy, medium, hard
* more than 100 thousands puzzles, 36000 puzzles each level
* generate dynamic with unique puzzle id, easy to share sudoku puzzle with your friends!
* statistics tracking, top times and history include fastest times, average times and play counts for each level
* suitable for both phones and tablets
* unlimited Undo and Redo
* two different input modes
* two intelligent hints
* check and solve
* pencil marks
* timer for playing
* auto save
* opntional highlighting digits for breaking sudoku rules
* optional keep screen on
* optional full screen display
* optional italic typeface for givens
* optional show blank remains
* with banner ads

Screenshots: