Blockdoku 99 : Color Sudoku Puzzle is a twist of block puzzle 9x9 & sudoku puzzle: complete the lines and squares (9 blocks) to get more score. HOW TO PLAY: - Drag and drop block to fill the board 9x9 - Match blocks in horizontal, vertical or designated 3x3 grids to destroy them - Destroy more lines & squares to make big bonus - Just be NICE & enjoy the game