Nintendo is a highly successful, world-renowned company, with a big stable of iconic franchises. But like any company in entertainment, Nintendo faces its own set of challenges, too. One of these, according to Dr. Serkan Toto of research group Kantan Games, is that Nintendo needs to keep coming up with new ideas, or else it runs the risk of becoming "stale." "The one risk is that at some point in time, people could grow tired of the same IPs that Nintendo produces games around," Toto told CNBC . He said Nintendo's top franchises are Zelda, Mario, and Pokemon, and beyond those, Nintendo also has a "treasure trove of IPs." But in 2036, or 2046, will people still care about those big three? Continue Reading at GameSpot