To maximize your puzzling space, click on the Maximize button in the lower right corner of the puzzle screen for fullscreen mode. Click on it again to return to normal mode.

For more tips, see the Online Puzzle Tips page.

Pan Am Railways GP40 puzzle, based on an original photo by John Sesonske (photo copyright John Sesonske -- used with permission). Photographed at Rotterdam Junction, New York, April 1, 2016. Click here for more information about this photograph