The aliens have started invading and are starting with YOUR FARM. Build crop circles to create a path for them to follow. It is up to you to stop them before they can follow your path and destroy your farm. After they destroy your farm they will move onto the rest of world. You are on the front lines and must stop them here! Place a variety of weapons along the path to kill the aliens as the approach your farm. Create the path in such a way that you can still place your weapons along it. Use all your resources and tools in order to defeat the increasingly more difficult waves of hostile aliens and save your farm!