Poor characters of this game are in a big trouble. They are trapped under huge and heavy rocks without a chance to get out. You are a rescuer that is here to assist. Move the stones away and let these people walk freely! However, before you will do that, there is a need to build a rescue machine first. You have different tools and details, so you them smartly and build efficient machines that will serve as rescue mechanisms. Become an engineer and connect the pieces into one. Have fun!