You've received a summons from the Realm's Lord to partake in the Castle Hexapolis challenge, a digital domain where your urban planning and tactical prowess will be examined! This browser game seamlessly combines medieval city-building allure with the intricate puzzle of hexagonal tile placement. Brace yourself for a strategic voyage, demanding foresight and ingenuity, as you transform your city from a lone Castle hex tile into an expansive, interconnected metropolis.