A free app for Android, by Submarine Apps.

We are happy to present you with the newest free puzzle game. We have developed it with many hours of effort and the result is a game that will let you enjoy your time and give you a great mental workout. The objective of the game is to put numbers from 1 to 9 in a box, such that no number can be repeated in the same row, column, or block.

There are some rules that you need to know:

The number of numbers that you can place in a box is 9.

Each number can be placed in the box either in a row, column, or block.

There can be no more than 2 numbers in a row, column, or block.