Sudoku is a puzzle game based on logical thinking. Your goal is to place the numbers 1 through 9 in each cell so that each number can appear only once in each row, column, and sub-grid. With our Sudoku free app, you can not only enjoy sudoku classic wherever you are, but also learn Sudoku techniques from it. This game is the best solution for you to make good use of your time when you’re free. In another hand, it also helps you to train your memory as well as the ability to think quickly and sharply.

Our Sudoku free app is really a great app. We select levels from many popular Sudoku platforms. You can play these levels of Sudoku free without the Internet or Wifi connection. You can challenge yourself from easy for beginners to more difficult levels. Every time you complete a level, you will feel extremely excited and happy when you have conquered it.

* Outstanding features of Sudoku hard level offline application:*
- 4 levels of sudoku classic, from easy to difficult, and suitable for all types of players
- Completely playable Sudoku Free offline without an internet connection
- Regularly updated the best levels from many popular Sudoku platforms
- Note mode allows you to check off if you are unsure about the number box
- Smart suggestions from Sudoku Free make it easy to conquer puzzles
- Automatically save the Sudoku level screen you are unfinished with
- Simple game interface, changing colors, making it easy to see under any light
- Works stably on all devices

* Sudoku Free app's special game mode:*
- 16 x 16 game mode: helps you challenge yourself to a higher level, giving you a more enjoyable experience from Sudoku hard level offline.
- Daily challenge: Sudoku Classic increases level each day, strengthens your ability to think fastly and sharply. When you complete our 30-day challenge, you truly become a sudoku game master.
- Leaderboard as you play Sudoku: Try to complete the 16 challenges we set for you. When you’ve completed all, you will certainly be very proud of yourself because you have achieved achievements that not many people can get.
- Leaderboard of Sudoku Free: we record your performance though total time and number of sudoku puzzle you solved. Join global leaderboards to compete with other players around the world.

Sudoku free is the best game that makes you improve your thinking ability. It also helps you relax in your free time