Not many of these empires are covered well in history classes... yet each has lasted over 100 years!
A different puzzle every time you load the page!
Choose your grid size, from 8x8 to 20x20!
If you use the FREE elements of this site, PLEASE consider supporting my work with $1 or more per month through Patreon. Clicking the following link brings you to a page where you can find out how to become a Patron.
