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.

Amtrak F40PH NPCU puzzle, based on an original photo by Bob Krone (photo copyright Bob Krone -- used with permission). Photographed at Rondout, Illinois, May 16, 2025. Click here for more information about this photograph