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.

Union Pacific AC6000CW puzzle, based on an original photo by Hunter Williams (photo copyright Hunter Williams -- used with permission). Photographed at Colorado Springs, Colorado, November 6, 2017. Click here for more information about this photograph