From a rooftop in King's Lynn and West Norfolk, the land looks flat and saturated, a wide stretch of green and grey under a heavy sky. The Walpole Wash is a relaxed 3.5 km loop through this part of the country, featuring 9 corners that don't demand too much from the driver. It plays free in the browser with no account or install, tracing a path across the plains while the Old Sea Bank sits far out past the edge of town.