Sudoku Classic & Killer

Challenge your brain with this amazing Sudoku free game. Play and have fun!

CHALLENGE YOUR BRAIN
Hundreds of classic sudoku puzzles to test your skills.
Beautiful and intuitive interface, many options and great gameplay.
Perfect for both beginners and advanced players, as well as for kids, for adults and for seniors.

If you want to challenge a puzzle that fits your skills or your mood at the moment, choose the difficulty level (beginner, easy, medium, hard, expert and master) in the classic mode. You can also complete the daily challenges with puzzles with random difficulty levels and build up your trophy wall every month or play the limited-time events to win medals and beautiful badges to get your trophy wall full and pretty.

Got stuck? Use the intelligent hints to help solve the puzzle and also learn Sudoku techniques from it.

KEY FEATURES
- Hundreds of puzzles, different game modes
- Classic mode - with 6 difficulty levels, from beginner to master
- Killer Sudoku - exciting alternative mode to test your skills
- Daily Challenge - new puzzle every day, collect trophies
- Special events - complete levels before you run out of time to win medals in our limited-time seasonal events
- Intelligent Hints - to help you solve the puzzles
- Pencil notes - update notes automatically whenever a number is positioned
- Magic notes - give you all the possible numbers for each cell
- Highlight duplicates to avoid repeating numbers in a row, column and block
- Themes - 3 different themes, including dark mode for better eye comfort
- Auto-save - pause and continue game without losing any progress
- Stats - to help you track your performance and compare with others
- High scores, achievements and trophies

And many other features and options:
- Undo and Erase buttons
- Sound effects
- Timer
- Error limit: challenge yourself by limiting the number of errors per game
- Automatic error checking: highlight the numbers that do not match the final solution
- Lock a number to place it in multiple cells without using the keypad
- Hide completed numbers
- Highlight identical numbers
- Highlight each cell's row, column and block

Can you solve this puzzle and be the king in this Sudoku kingdom? Are you a Sudoku master?
Play Sudoku daily and have fun!