Game Show Set Up - Click the Flag to start a new set of games. Click a Door to pick it, then after Anna opens a door with a dud prize, Click it again to Stay with it or Click the other closed door to Switch. Hit Space to play another game in this set of games. ** Note: deliberately not working, students must write missing code ** Often referred to as the "Monty Hall problem", after the host of the original US Series of the show, "Let's Make a Deal".