Sudoku Pro-Free Sudoku Puzzles（免费数独） 1.0.5 Apk

Sudoku Pro（数独）, train your brain, and have fun! Thousands of sudoku puzzles to explore.

Classic sudoku for beginners and advanced players. Choose from four different difficulty levels. Challenge your problem-solving skills with an expert-level game or take a break with a quick game on easy mode.

Key Features:
- Thousands of well-formed, totally free sudoku
- Four perfectly crafted difficulty levels: Easy, Medium, Hard, and Expert.
- Highlight duplicates to avoid repeating numbers in a row, column, and block
- Pencil mode: Use the pencil mode to make notes on each cell
- Hints: Hints can guide you through the puzzle when you are stuck
- Eraser: Made a mistake? Get rid of it by using the eraser feature
- Challenge yourself by limiting yourself to three mistakes

数独是一款数字类益智游戏。玩家需要根据盘面上的已知数字，利用规则和推理，在其他空格中填入数字，使每个数字在每一行、每一列和每一宫中都只能出现一次。本游戏还分四宫、六宫、九宫3个难度，玩家可以自由选择难度游玩。游戏全面考验做题者观察能力和推理能力，虽然玩法简单，但数字排列方式却千变万化，怎么玩都不会腻，让我们一起来做数独吧！