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.

Norfolk Southern GP38-2 puzzle, based on an original photo by Sid Vaught (photo copyright Sid Vaught -- used with permission). Photographed at Spencer, North Carolina, March 10, 2018. Click here for more information about this photograph