Sudoku Challenges 1000 !! play online

This is the classic Sudoku puzzle game. It offers 1000 unique Sudoku puzzles from easy to moderately hard. With total brainteasers, It is great app to train your brain, and sharpen your logical thinking and solving skills.

This app is simple and intuitive user interface. All Sudoku puzzles could be solved with pure logic and have one correct answer.
This app provides all necessary features, but not too many features that kill competitiveness of the game.

Some Features:
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- Clean and intuitive interface.
- Classic brainteasers from easy to hard.
- Add new sudoku puzzles in a timely manner.
- Pure logic puzzles, only one correct answer, no guessing needed.
- Auto real time error-checking.
- Auto save when game is interrupted and resume where you left off.
- Manual taking notes.
- Statistics to keep track of your progress.
- Leaderboards in Play Games Services are supported.