A full version app for Android, by Conceptis Ltd..

This free Sudoku app from Conceptis combines the strategic challenges of the classic game with a twist that makes it unique!

In Sudoku, the goal is to fill a grid with numbers so that each number appears only once in each row, column, and box. The challenge is to do so while also meeting the condition that the sum of numbers in each box is equal to the clue in the top-left corner.

For more fun, Conceptis Sudoku includes a Weekly Bonus section providing an extra free puzzle each week.

This app has a variety of puzzle types so that you can play the best puzzle game you have ever played.