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.

Kansas City Southern Railway ES44AC puzzle, based on an original photo by CM Lantz (photo copyright CM Lantz -- used with permission). Photographed at Kent, Ohio, August 13, 2017. Click here for more information about this photograph