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.

South Branch Valley Railroad GP9 puzzle, based on an original photo by Matt Thomas (photo copyright Matt Thomas -- used with permission). Photographed at Vanderflip, West Virginia, February 19, 2024. Click here for more information about this photograph