A free app for Android, by Block Puzzle Brain Games.

It’s a classic math puzzle game where you have to number blocks in a row and column in order to solve it. But the best part is that it doesn’t require any math knowledge. So you can play this game even if you don’t know math! You just have to be creative and think out of the box. You can also play this game as a mental game or challenge your friends.

To solve a puzzle, you need to number all blocks in a row and column. You can use the empty space to help you solve the puzzle. And remember, you need to make as many moves as possible.