Prophecies

The rules are here: Prophecies Rules

The survey is here: Prophecies Survey

And some grids, for your convenience:

• 4 by 4 grids
• 5 by 5 grids
• 6 by 6 grids
• 7 by 7 grids
• 8 by 8 grids
• An “exotic” board (i.e., not a grid!)