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.

Russian Railways TEM2 puzzle, based on an original photo by Aleksei Zadonskii (photo copyright Aleksei Zadonskii -- used with permission). Photographed at Omsk, Omsky Region, Russia, January 6, 2016. Click here for more information about this photograph