From Grey Olltwit Software:
A jigsaw puzzle of the 50 states and 1 federal district that make up the United States of America. Drag and drop the states into place, learning where they are in relation to each other along with basic information about each.
Click the Play or Play Advanced Version button on the first screen to start. You will then be shown a blank map of the United States of America. In ordinary Play mode, the borders of the states are shown. In the advanced mode the state borders are not shown and you gain more points for each correct answer. To play, choose one of the two buttons that appear when the program is loaded.