Block Letter Puzzle is a game to relax and challenge the brain. It is not the familiar Tetris or combination game. You need to put the small square puzzle with its own color into the specified pattern, but please note that the color of the square and the color of the column should match. It looks very simple at first, but it is not easy at all. Use tips flexibly to solve puzzles. Train your brain, experience different fun from simple building blocks, wooden puzzles and color books, and collect d