Less Than 8
Less Than 8 is a fun and challenging numbers puzzle with a gameplay close to that in Sudoku.
3 Alternatives To Less Than 8
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Generate, visualize, and document accessible color palettes
Griddition
Griddition is a challenging numbers puzzle where you must fill a grid with numbers, Sudoku-style.
Yasminoku
Sudoku game and solver totally written in DHTML.