Items Invented by Seth McGinnis
- Robber-Baron. Which of the seven robbers is the robber-baron? (7x7, Cells: 39) By Seth McGinnis.
- Schizochess. Halves of the chessboards get swapped every five moves. By Seth McGinnis.
- Robber-Baron . Which of the seven robbers is the robber-baron? Author: David Howe. Inventor: Seth McGinnis.