Games Invented by Mark Thompson on Zillions of Games
- Cuarenta . Played only of the light-colored squares of a 9 by 9 board. By Mark Thompson.
- Tetrahedral Chess . 3d chess variant with board in form of tetrahedron. By Mark Thompson.
- Trampoline Chess . Each player has a Trampoline that allows friendly pieces to make a second move. By Mark Thompson.