Look at Nintendo or Blizzard or Capcom or any other gaming company that hasn't simply flared up and burned out like some of the recent mobile developers who did

Look at Nintendo or Blizzard or Capcom or any other gaming company that hasn't simply flared up and burned out like some of the recent mobile developers who didn't know how to handle their success. Don't just take your one IP and drive it into the ground like Rovio did with Angry Birds. Diversify. But do so thoughtfully. If you release a bunch of crap, that will dilute your brand as well. It's not rocket surgery.