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.

CPKC Railway AC4400CW puzzle, based on an original photo by David Hawkins (photo copyright David Hawkins -- used with permission). Photographed at Krum, Texas, February 18, 2024. Click here for more information about this photograph