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.

Sonoma-Marin Area Rail Transit (SMART) DMU puzzle, based on an original photo by John West (photo copyright John West -- used with permission). Photographed at Penngrove, California, April 30, 2018. Click here for more information about this photograph