Online Train Puzzles!
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.
 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.
Maine Central GP7 puzzle, based on an original photo by Marty Bernard (photo copyright Marty Bernard -- used with permission). Photographed at Portland, Maine, February 7, 1970. Click here for more information about this photograph