Hot blood can not be froze and break through the weather barriers are the main concepts of wintersports. The game is designed to advertise Nike wintersport theme product featuring water proof. To stand out this feature, we simulate the urban winter with ice clod rain and ponding in scene. The paticipants quickly stamped on the floor to heat the overall environment by wearing the Nike's shose. The trace can be tracking and the step speed would reflect in the change of rainfall.