This type of Sukoku consists of the numbers 1 to 4. The method can be found under explanation.

Download de Explanation

Download the Quadokus (including solution):

1. Quadoku *
2. Quadoku **
3. Quadoku ***
4. Quadoku ****

Download the 12 x 12 Quadokus (including solution):

1. Quadoku 12 X 12*
2. Quadoku 12 X 12**
3. Quadoku 12 X 12***
4. Quadoku 12 X 12 ****

Download the 16 x 16 Quadokus (including solution):

1. Quadoku 16 X 16 *
2. Quadoku 16 X 16 **
3. Quadoku 16 X 16 ***
4. Quadoku 16 X 16 ****