Items Authored by Bn Em
- 3-Player Chess I. Missing description (10x10, Cells: 75) By Bn Em.
- Spherical Corner Chess. Game on a truly topologically spherical board with corner‐camp arrays. By Bn Em.
- Manticore. Moves one space orthogonally, then slides outward as a Bishop. Author: Bn Em. Inventor: Ralph Betza.
- Steward. Omnidirectional Pawn. Author: Bn Em. Inventor: Philip Marinelli and John William Brown.