The story of Super Monkey Ball Adventure (told in flashback, incidentally) involves the forbidden love of a prince and a princess from neighboring kingdoms. (pressthebuttons.com)
Taking place in - between battles, players can make a ton of decisions such as creating truces with other kingdoms, or declaring war on neighboring kingdoms. (cogconnected.com)
Through shrewd deals and strategic marriages, he controlled neighboring kingdoms without sending a single warrior to die. (discovermagazine.com)