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 National Railway 4-6-2 puzzle, based on an original photo by Colin Arnot (photo copyright Colin Arnot -- used with permission). Photographed at Mossleigh, Alberta, June 2, 2019. Click here for more information about this photograph