Play for high scores and keep trying until you get there. The game has nice graphics and more importantly nice game play. Sometimes, the situations will require very sound intellect. Your job in this physics puzzle game is to use the available items and tools to build the bridges in the correct positions to help the workers bring goods from one side of the valley to the other side. Remember that the items that you use cost you money and hence you should make the moves after proper consideration because you really do not want to run out of money before getting the job done.