"A simple concept that presents enough of a challenge to stay engaging. Clever blocks is a great and fun puzzle game." -- games4us."Clever Blocks" is a Tetris-style block fitting game. Simple, yet challenging and addictive.The goal is very simple: move various blocks to fit them all in the gray background. Sounds easy? Not really.FEATURES:+ 750 Challenging puzzles+ 4 difficulty levels+ In-game hints system + Timer+ HD graphics+ More...The puzzles get harder as you progress.Key Words: If you like puzzles like tangram, unblock puzzle, unblock me, block puzzle, tetris fitting puzzle, tetris block puzzle, blocks puzzle, block sliding puzzle, block fitting puzzle, you will like it.