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.

CSX Transportation (CSXT) ES44AC puzzle, based on an original photo by Christopher Rambo (photo copyright Christopher Rambo -- used with permission). Photographed at Clinton, South Carolina, June, 2017 Click here for more information about this photograph