Classic is the BEST!!The best puzzle game in the World for a long timeChakchak is a Sliding puzzle game that pulls out red blocks.▶ Chak Chak Puzzle is good for brain development.▶ Chak Chak Puzzle, Its a good game to cool off.▶ Chak Chak game is good for brain exercise.▶ Its a donation just by playing games.▶ The horizontal block is movable from side to side.▶ Vertical blocks can be moved up and down.▶ Move the other block to escape the red block.Thank you~!Chak Chak Block PuzzleWe help single-mother childrenIt is a non-profit organization called Myontact.With the proceeds from the Game, Were going to give them multivitaminsIt provides humanities education.Thank you~!