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 Acela Express Trainset puzzle, based on an original photo by Christopher Gore (photo copyright Christopher Gore -- used with permission). Photographed at Norwalk, Connecticut, August 12, 2019. Click here for more information about this photograph