Items Authored by Sean Christopher Duggan
- Duggan's Fantasy Chess. Game where usual pieces become mercenaries, horsemen, golems, assassins and adapts. (8x8, Cells: 64) By Sean Christopher Duggan.
- Duggan's Fantasy Chess (revised). Revised and Improved version of fantasy Chess variant. (8x8, Cells: 64) By Sean Christopher Duggan.
- Double Chess . On 16 by 8 board. Author: Sean Christopher Duggan. Inventor: David Short.
- Duggan's Fantasy Chess (revised). Revised and Improved version of fantasy chess variant. By Sean Christopher Duggan.