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.

Long Island Railroad M7 puzzle, based on an original photo by Chris J. Allen (photo copyright Chris J. Allen -- used with permission). Photographed at Central Islip, New York, October 18, 2018. Click here for more information about this photograph