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.

Northshore SW1500 puzzle, based on an original photo by Andrew Hartmann (photo copyright Andrew Hartmann -- used with permission). Photographed at Berwick, Pennsylvania, August 30, 2019. Click here for more information about this photograph