Starts with the letter 'Ecu'
- Ecumenical Chess. Set of Variants incorporating Camels and Camel compound pieces. (8x10, Cells: 80) By Charles Gilman.
- Ecumenical Chess. Ecumenical Chess features three variants with camel-bishop, camel-rook knight-camel compounds. Author: Jeremy Gabriel Good. Inventor: Charles Gilman.
- Ecumenical Eurasian Ninjachess. 3d variant on 10 by 5 by 5 board with many new pieces. (5x10x5, Cells: 250) By Charles Gilman.
- Ecutunnel and Ecumillstone. 3d versions of twin-board Ecumenical Chess, with a new front-rank piece. (4x12x4, Cells: 192) By Charles Gilman.
|3 'Game' entries listed||1 'Play by mail item' entry listed|
|2 'Three dimensional' entries listed||1 'Large board' entry listed|
|1 'Circular shaped board' entry listed||1 'In a category all its own' entry listed|
Total items listed: 4