点击图片放大USB Sudoku Portable is a very small implementation of the original game Sudoku packaged as a portable app, so you can play on the go. It includes multiple difficulty levels and a built-in solver to ensure all puzzles have exactly 1 solution. www.upan.cc
Sudoku is a an addictive puzzle game originally created in France over 100 years ago. It features a 9x9 grid containing 9 3x3 grids. Within this you arrange the numbers 1 through 9. But, each number can only appear once in each of the 9 3x3 grids. And it can only appear once in each row and on each column. It's a simple concept, but it can get addictive quickly. This version features:
Five difficulty levels as well as customizable difficulty
Entry of possible solutions for empty boxes (hold down shift and a number from the standard number row, not the numeric keypad) www.upan.cc
Automatic saving of your game on exit www.upan.cc
"Check Game" feature to check your current work
"Solve Game" feature so you can see the solution to the current puzzle www.upan.cc
Resizable interface, so you can make the numbers as large as you'd like
USB便携式数独打包工具 V2.0 简化版：http://www.upan.cc/tools/others/3348.html
