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.

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 ...