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. Any two cells separated by a knight's move in chess cannot contain the same digit. Digits separated by an X sum to 10, those separated by a V sum to 5. Not all Xs and Vs are necessarily given. Digits on a slow thermometer must not decrease starting from the bulb.
A Slow Knight
By addie
Standard 9x9 sudoku rules apply. Any two cells separated by a knight's move in chess cannot contain the same digit. Digits separated by an X sum to 10, those separated by a V sum to 5. Not all Xs and Vs are necessarily given. Digits on a slow thermometer must not decrease starting from the bulb.