Sudoku

在Android上玩＃1免費SUDOKU（a.k.a Number Place）基於邏輯的棋盤遊戲！

Sudoku, also known Number Place, is the most popular logic based number-placement puzzle in the world. Fill the 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids contains all of the digits from 1 to 9 now!

Sudoku Features:

- More than 20,000 well posed puzzles

- 4 perfectly balanced difficulty levels

- Complete Daily Challenges to collect trophies

- Turn on/off Notes (Pencil) mode as you like

- Highlight Duplicates to avoid identical numbers in a row, column and sub-grid

- Intelligent Hints can guide you through the numbers whenever you get stuck

- 2 Input modes: Cell first or Digit first

- Super smooth interfaces like on paper/newspaper

- Unlimited Undo and Eraser to help you get rid of mistakes

- Highlighting of a row, column and sub-grid related to the selected cell to help you discover patterns

- Automatically saves your game when you get a phone call, switch applications, or lock the phone

- Day mode and Night mode

If you enjoy Sudoku, this is the app for you!