Place the tiles such that all rows contain 1-9, all columns contain 1-9, all boxs contain 1-9. Click help to show any mistakes. Undo or the blank tile can be used to made fixes. Press solve if the puzzle is too challenging.
Fully playable version of sudoku made over a week. This was created using As3. Will add more if there is any interest. Please comment on this version of a popular game. See how many puzzles you can complete without hitting solve!

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