Copper’s free Snow Maze — which started out as a pile of more than 50,000 cubic feet of snow — has 7-foot tall walls and incorporates 9,000 pounds of ice, according to Keith Martin ...

In this game, you can’t even see the maze, or where you are. Well, that’s not exactly true — you can “touch” the wall (or lack thereof) in front of you and to the sides, but that’s it.