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Killer Sudoku
Classical Japanese number game.
Samurai Sudoku
Play Samurai Sudoku's online in 3 difficulty levels.
Sudoku UNLIMITED
Sudoku UNLIMITED is your never ending supply of completely randomized sudoku puzzles. You can just keep playing till, well the world's end or your computer's end. Happy solving. :)
ASHA SUDOKU UK
Fill in the puzzle so that every row, column and 3x3 box contains the numbers 1 trough 9.
White Sudoku
Sudoku with stylish scalable graphics, puzzle generator, editor and other useful things
Picma Squared
Picma Squared is a picture logic game. The goal is to discover the image hidden within each puzzle by following a couple of simple rules and using nothing but logic.
It features 28 puzzles, an easy to use, colourblind-friendly interface and a comprehensive Help section. In addition, it is the only puzzler of it's kind to offer the challenge of multi-coloured puzzles.