USB Sudoku - sudoku to go

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.
Publisher: portable-dev & Bill Dupree
Date updated: 2012-06-03
System Requirements: Windows XP/Vista/7/8/10 and WINE under UNIX/Linux
License: Free / Open Source (GPL)
Source Code: Launcher (included), USB Sudoku

Features

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)
• Automatic saving of your game on exit
• "Check Game" feature to check your current work
• "Solve Game" feature so you can see the solution to the current puzzle
• Resizable interface, so you can make the numbers as large as you'd like

Learn more about: Sudoku | USB Sudoku