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.

Golden City & San Juan Railroad 8-ton puzzle, based on an original photo by Nick McLean (photo copyright Nick McLean -- used with permission). Photographed at Golden, Colorado, July 21, 2017. Click here for more information about this photograph