Nice job. Back when “brain training games” (like Brain Age and Lumosity) were all the rage, there were similar spatial-practice games that used unfolding mechan

Nice job. Back when “brain training games” (like Brain Age and Lumosity) were all the rage, there were similar spatial-practice games that used unfolding mechanics such as opening and closing a suitcase and visualizing how the items would be arranged in each of the two halves.