Block Puzzle Gem---Simple yet challenging! This game is so fun meanwhile will help you improve your spatial geometric skills. Expand your mind in this addictive game now! Once you start, you will never stop! Block Puzzle, Block Puzzle Deluxe, Puzzle Game, Spatial Reasoning, Geometric Skills, Brain Training, Cognitive Skills, Addictive Game, Gem Puzzle, Mobile Game, Online Puzzle, Problem Solving, Logic Game