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.

Arnaud (Chemin de fer Arnaud) SD70ACe puzzle, based on an original photo by Dannick Fournier (photo copyright Dannick Fournier -- used with permission). Photographed at Rapides, Quebec, October 21, 2018. Click here for more information about this photograph