У вашего броузера проблема в совместимости с HTML5
It's spreadsheet time! I've found what I think should be an optimal small city layout (625 population), so it's time to put a bunch of them together to become a true Kingdom of the Gods...
"Kingdoms and Castles is a game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle."
For the full playlist you can follow this link: https://www.youtube.com/playlist?list=PLU_uMbfl2NXjzXp2_K13bCgYf8mfMHAO7