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.

BNSF Railway SD70ACe puzzle, based on an original photo by Dan Schwanz (photo copyright Dan Schwanz -- used with permission). Photographed at Big Timber, Montana, October 8, 2025. Click here for more information about this photograph