Fun Puzzle Game.Help the caterpillar to become a beautiful butterfly.Levels get tougher as you clear the levels.An addicting game inspired from the classic rush hour game, the original sliding block Traffic Jam puzzle.The goal is to get the caterpillar out of the board by sliding the other blocks out of the way.MAIN FEATURES:+ Four difficulty levels – easy, medium, hard, expert + Measures your score against your Personal Best and the Perfect Score + Keeps history of "Solved" and "Perfectly Solved" challenges[详情]