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USB Sudoku

A very small program for playing the original game of Sudoku.

13 Alternatives To USB Sudoku

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3Doku

3Doku brings the traditional Sudoku game to the third dimension.
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Color Sudoku

Sudoku game with numbers, letters or colors. Board size can be from 4 to 20 (default size is 9).
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Get Sudoku

Get Sudoku is an interactive sudoku solver.
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Griddition

Griddition is a challenging numbers puzzle where you must fill a grid with numbers, Sudoku-style.

HoDoKu

HoDoKu is a sudoku helper written in Java and available in English and German.

Less Than 8

Less Than 8 is a fun and challenging numbers puzzle with a gameplay close to that in Sudoku.

Minimal Sudoku

Minimal Sudoku is an easy to use, clutter-free classic sudoku game which is designed for iOS 7.

OpenSudoku

OpenSudoku is an open source sudoku game.

Planet Sudoku

Play millions of free Sudoku puzzles online for kids to experts. Sudoku puzzles like 9x9, Samurai, 4x4, 6x6, 8x8, 12x12, 16x16, 20x20 and 25x25.

Simple Sudoku

Freeware Sudoku Puzzle Maker and Solver
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Sudoku Portable

Sudoku Portable is a an addictive puzzle game originally created in France over 100 years ago.
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Yasminoku

Sudoku game and solver totally written in DHTML.
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nsudoku

A Sudoku game made with ncurses.