In 'Pile Up!', you take on the role of a skilled civil engineer tasked with designing and constructing deep foundations for various structures, including bridges, buildings, and wind turbines. You'll have to choose the right type of piles, drive or drill them into the ground, and ensure they can withstand vertical, horizontal, and uplift forces. Navigate the challenges of soft soils, underwater installations, and complex geotechnical conditions to create stable and robust foundations.