Pure Sudoku Deluxe
Pure Sudoku is the visually and intellectually stimulating sudoku puzzle game for your Windows XP PC. It is a high quality sudoku game with a style of its own. Download the Free Edition now.
http://www.veryfreesudoku.com/PureSudokuSetup.exe - 8Mb - Download - Screenshot

Pocket SuDoku / SuDoku CE
Customizable puzzle generation. Various size / difficulty options. See the solution for a puzzle, or its logical steps. Unlimited undo and redo support while solving. Save and Open, Send and Share puzzles. Print puzzles (in batches or one at a time). ... Ausdrucken des aktuellen Puzzles, oder Massendruck beliebig vieler Puzzles auf Knopfdruck. ... Speichern, Oeffnen, Versenden von Puzzles. ... Based on symbolic logic (no maths involved), these simple yet tricky puzzles have famously enthralled puzzlers in Japan and the UK.
http://www.sudoku-pro.com/res/s,pad/sudokupro_trial_en.exe - 710Kb - Download - Screenshot

SuDoku Pro
Customizable puzzle generation. Various size / difficulty options. See the solution for a puzzle, or its logical steps. Unlimited undo and redo support while solving. Save and Open, Send and Share puzzles. Print puzzles (in batches or one at a time). ... Based on symbolic logic (no maths involved), these simple yet tricky puzzles have famously enthralled puzzlers in Japan and the UK. ... Now, Su Doku is getting increasingly popular all around the world---and with SuDokuPRO on your PC, the fun simply won't end!
http://www.sudoku-pro.com/res/s,pad/sudokupro_trial_en.exe - 710Kb - Download - Screenshot

Sudoku Works
Generate and enter/solve Sudoku puzzles against the clock. Nine grid sizes from 4x4 to 16x16. Five levels of difficulty, to suit all levels of play. Play on your PC or print out to solve the traditional way. Save games to complete later. Fastest times stored with your name! ... Coaching modes to help you with tricky puzzles. ... Wrong guesses are highlighted, and possible values for empty squares are pencilled in. ... Configurable skins and colours.
http://oaksystems.exaserve.net/SudokuWorks3.exe - 9Mb - Download - Screenshot

Sudoku Pagoda
Sudoku Pagoda is an amazing puzzle game. Plunge into the mystery world of ancient Japan. Enjoy beautiful design and wonderful music of the game. Your task is just like in original Sudoku to fill the board with the figures. They should be unique in the blocks, in the rows and in the columns. ... With 3 skill levels of the game Novice, Expert and Master, Sudoku Pagoda can be played by anyone. ... Have a really good time playing great Sudoku Pagoda game! ... You'll be challenged by grids from 3x3 to 16x16.
http://absolutist.com/sudoku_pagoda/sudoku_pagoda.exe - 8Mb - Download - Screenshot

Sudoku
Play the highly addictive, and challenging Sudoku on your Mobile! Play either 9*9 or 4*4 Sudoku puzzle.
http://sudoku.utilstore.com/Sudoku.jar - 11Kb - Download - Screenshot

Amigos Cross Sums
Cross Sums puzzles, also known as Kakuro puzzles, are challenging yet fun and easy to learn. More addictive than Sudoku - try Kakuro puzzles and see for yourself. Create an unlimited number of Cross Sums puzzles with Amigos Cross Sums. All puzzles have a unique solution. ... Print the puzzles or solve them on screen. ... Possible values for each combination are shown at the click of your mouse. ... Examples, solving hints and techniques are included in the program. ... Choose from 5 difficulty levels and 4 grid sizes.
http://www.AmigosSoftware.com/AXDemoInstall.exe - 665Kb - Download - Screenshot

Paragon Sudoku
A Sudoku puzzle game for Mac OS X and Windows
http://www.paragonsudoku.com/files/SudokuSetup.exe - 894Kb - Download - Screenshot

Blue Reef Sudoku
This puzzle game undersea is just awesome. Submerge in the beautiful underwater world while palying your favorite type of the game. Right here at the ocean bed, you find the board for the Blue Reef Sudoku. Enjoy this great remake of Sudoku game. Your task is just like in original Sudoku to fill... With 3 skill levels of the game Novice, Expert and Master, Sudoku Pagoda can be played by anyone. ... You'll be challenged by grids from 3x3 to 16x16. ... Download this fantastic game right now! ... Make layouts that can be shared with others.
http://absolutist.com/blue_reef_sudoku/blue_reef_sudoku.exe - 10Mb - Download - Screenshot

Good Old Sudoku
Sudoku is the most popular logic puzzle in Japan also known as Suduko, Sudoko, Su do ku, Sodoku, Suduku. It is very simple to learn, requires no calculations, and provides a surprisingly wide variety of logic situations. From children to old can enjoy it for a pass-time. ... But this title is too long, then it was abbreviated as "Sudoku". ... So "SU" means number, "DOKU" means single. ... The puzzle seems to have first been published in the USA before being noticed and then popularised in Japan.
http://www.freegames4rest.com/files/good_old_sudoku.exe - 1Mb - Download - Screenshot