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.

NYC MTA Subway puzzle, based on an original photo by Greg Primrose (photo copyright Greg Primrose -- used with permission). Photographed at New York, New York, May 8, 2015. Click here for more information about this photograph