The rules of the game is simple -- you can connect opposite charges only (you cannot connect like charges) and you cannot overlap the lines. However, two of the store pictures violate these rules. Store picture 2 shows a negative charge unable to connect to a positive charge. It also shows a positive-negative line overlapping a negative-positive line. Store picture 4 shows a positive charge connected to a positive charge. It would appear that either these are not screenshots from the game or the game ...