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.

Amtrak ACS-64 puzzle, based on an original photo by Mark Schenking (photo copyright Mark Schenking -- used with permission). Photographed at Old Saybrook, Connecticut, July 12, 2018. Click here for more information about this photograph