If you want to pass the time because you are bored, you should try the BlockSudoku app. You can immerse yourself in it for hours because it is easy to understand and addicting. The game's rules are simple; you must fill the blocks in a straight line, either vertically or horizontally. Simply tapping the blocks will cause them to move. Don't be deceived, though; although it may seem simple at first, the difficulty level rises as you go along. Check to see if you have what it takes as the game will put your logical abilities to the test! Download now!