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.

Union Pacific SD70AH puzzle, based on an original photo by Mike Molnar (photo copyright Mike Molnar -- used with permission). Photographed at Windsor, Ontario, June 17, 2018 Click here for more information about this photograph