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 GP38-2 puzzle, based on an original photo by Robert King (photo copyright Robert King -- used with permission). Photographed at Saint Paul, Minnesota, October 25, 2017. Click here for more information about this photograph