Square Block Puzzle 99 is a combination of sudoku and block puzzle games. Square Block Puzzle 99 has you match different-shaped blocks in horizontal, vertical or designated 3x3 grids to clear them and aim for the highest score as much as possible. - Clear the lines & squares to score - Free & easy to play - Hard to master - Addictive gameplay. Play it when you are bored or want to train your brain – any time, anywhere.