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.

Burlington Northern Railroad SD40-2 puzzle, based on an original photo by Marty Bernard (photo copyright Marty Bernard -- used with permission). Photographed at East St. Louis, Illinois, July 31, 1977. Click here for more information about this photograph