Sudoku HD - 9x9 brain-teaser

Play Sudoku for hours thanks to an unlimited number of grids! 3 difficulty levels, a simple an intuitive design ! Face the Sudoku challenge in the metro, at the office, in a waiting room, in the toilet…! 

3 difficulty levels: Easy, Normal, Hard! You’ll finish an Easy grid in 10 min, whereas you could spend all night on an Hard grid. Sudoku for all levels! 

Features: 

• Put down all candidates for a cell (example: the cell can contain 1,4,6,9) 
• Click a number to show all of the numbers of the grid (example: clicking on “1” shows all the other “1s”) 
• You can view clearly which line and which column you clicked on! 
• Access a user’s manual 
•Access to help that will: 
o Check the grid to see if you made a mistake 
o Add a number if you get stuck 
Be careful as using the help feature adds a time penalty to the clock. 

See all the possible candidates for the empty cells in 2 seconds? 
That’s easy: use credit to calculate it automatically. You can purchase additional credit directly within the application: you receive 2 free credits upon first installation. 

There’s nothing unnecessary in this application, just the essential.