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 P40DC puzzle, based on an original photo by Tim Stockwell (photo copyright Tim Stockwell -- used with permission). Photographed at North Adams, Massachusetts, October 24, 2015. Click here for more information about this photograph