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.

Central Maine and Quebec Railway GP38-3 puzzle, based on an original photo by Jeff J. Bray (photo copyright Jeff J. Bray -- used with permission). Photographed at Frankfort, Maine, September 3, 2018. Click here for more information about this photograph