Express Thru – One stroke puzzle — in this casual puzzle you have to take part in the terraforming project, just paving the way for the robot to deliver a variety of resources. You need to draw a path that this robot can load and deliver the specified resources as many times as required. Keep in mind, you should draw this line in one motion to save energy for exploring other areas. You will need different resources to build different buildings. Help this robot carry these resources and complete the mission!