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.

Ferrocarriles Argentinos U-12C puzzle, based on an original photo by Darío Saidman (photo copyright Darío Saidman -- used with permission). Photographed at Encarnación del Paraguay, Paraguay, March, 1990. Click here for more information about this photograph