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 & North Western Railroad SD18 puzzle, based on an original photo by Greg Mross (photo copyright Greg Mross -- used with permission). Photographed at Minneapolis, Minnesota, October, 1992. Click here for more information about this photograph