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 P42DC puzzle, based on an original photo by Joel Hinkhouse (photo copyright Joel Hinkhouse -- used with permission). Photographed at Denver, Colorado, January 17, 2016. Click here for more information about this photograph