Starts with the letter 'Jo'
- Joe Joyce Hyperchess. Easy to play 3D Chess variant where pieces can act on small board or large board. Author: Jeremy Gabriel Good. Inventor: Joe Joyce.
- John Savard's Three-Dimensional Chess. Missing description By John Savard.
|1 'Game' entry listed||1 'Play by mail item' entry listed|
|2 'Three dimensional' entries listed||1 'Large board' entry listed|
|1 'In a category all its own' entry listed|
Total items listed: 2