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.

Chicago SouthShore & South Bend Railroad GP38-2 puzzle, based on an original photo by George M. Stupar (photo copyright George M. Stupar -- used with permission). Photographed at La Porte, Indiana, April 17, 2018. Click here for more information about this photograph