Games Invented by James Killian Spratt
- Chess for Three. Traditional pieces, three players, on a triangular board. By James Killian Spratt.
- Imperial Chess. Large variant with new pieces and victory by capture of royal pieces. (12x12, Cells: 144) By James Killian Spratt.
- Jetan Jeddara. Large Jetan variant, with new pieces. (16x12, Cells: 192) Author: Tony Quintanilla and James Killian Spratt. Inventor: James Killian Spratt.
- Jetan-Sarang . A large variation of Jetan. By James Killian Spratt.