Ball Tubes vs Shuffledoku

Use pipes to lead balls to the BLACK HOLE!!

Shuffledoku is a relaxing number placement puzzle game with rules resembling Sudoku game rules. Just like in classic Sudoku, fill the grid with numbers that can appear only once in each row and column. But beware, the containers in the grid may cover multiple rows and/or columns. It may seem confusing at a glance, however, you will get on the relaxing journey of the game, quickly. In order to transfer the pile of cards, just tap on the pile and then the container, respectively. All excess cards in the selected pile will transfer to the destined container. If your move is correct, the cards will merge and fill the container. Then again, transfer excess cards to their pre-determined containers and complete the grid. THE FIRST RULE of ShuffleDoku is that each row must contain each number without repetitions. THE SECOND RULE of ShuffleDoku is that each column must contain each number without repetitions. THE THIRD RULE of the SuffleDoku is to relax while training your brain in this colorful puzzle game.