Sudoku Puzzle Collection

Solve over 50 different puzzle types, share puzzles with your friends, climb the leaderboards, unlock achievements or print the puzzles to solve with pen and paper.

Puzzle Variety:
Over 50 different puzzle types including popular types like "Battleships" or "Kakuro" as well as unknown puzzles.

Printable Puzzles:
Lets you wirelessly print every single puzzle and solve it using pen and paper.

Personal Statistics:
See how many puzzles you solved, the puzzle type you solved the most, your preferred puzzling day and more.

Share with Friends:
Every puzzle can be shared with your friends using Facebook, Twitter, SMS, e-mail etc.

Leaderboards & Achievements:
Climb the leaderboard and see how well you do compared to other puzzlers and beat over 80 different achievements.

Undo, Save & Load:
You can undo your last entry or use the save state button to save a certain puzzle state and load it back later.

Hint System:
Easy to use hint system to help you when you are stuck solving a puzzle. Earn hint credits by solving puzzles.