Sudoku of the Day HD

Get the popular Sudoku daily puzzle challenge for your iPhone or iPad! Every day download the featured puzzle at your chosen difficulty level, complete it and submit your time to see how you compare with other players worldwide.

Astraware Sudoku includes:
* 6 competitive puzzles each day ranging from Beginner difficulty through to Diabolical
* Unlimited randomly generated puzzles
* Enter your own puzzle to solve in the game
* Manual or automatic pencil marks
* Smart hints - tap to get a hint, tap again for a bigger hint etc. Ideal for improving your Sudoku skills
* Hold & Highlight - tap and hold a specific number or pencilmark on the number bar below the puzzle to see all instances of the number in the grid.

Astraware Sudoku is ad supported with a single in-app purchase option to remove the ads entirely.