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.

Canadian National Railway Dash 9-44CW puzzle, based on an original photo by Joe Vittitoe (photo copyright Joe Vittitoe -- used with permission). Photographed at New Albany, Indiana, May 22, 2016. Click here for more information about this photograph