Play is designed for a desktop browser with a mouse and keyboard. Touch devices are not fully supported yet.
Start a fresh board? Your current progress is kept in your playthroughs list.
Standard 9x9 sudoku rules apply. Antiknight: Any two cells separated by a knight's move in chess cannot contain the same digit. Nonconsecutive: Any two orthogonally adjacent cells cannot contain consecutive digits. Thermometers: Digits along a thermometer increase from bulb to tip.
Hot Knights
By addie
Standard 9x9 sudoku rules apply. Antiknight: Any two cells separated by a knight's move in chess cannot contain the same digit. Nonconsecutive: Any two orthogonally adjacent cells cannot contain consecutive digits. Thermometers: Digits along a thermometer increase from bulb to tip.