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.

Canadian Pacific Railway GP20ECO puzzle, based on an original photo by John Witthaus (photo copyright John Witthaus -- used with permission). Photographed at Winona, Minnesota, August 1, 2017. Click here for more information about this photograph