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.
For more tips, see the Online Puzzle Tips page.
Mystery puzzle, based on an original photo by Daniel Simon (photo copyright Daniel Simon -- used with permission). Photographed at Basel , Switzerland, January 15, 2019. Click here for more information about this photograph