Yet few successful game companies started off trying to build a single big hit. Most game companies that today are viewed as successful got lucky with the first

Yet few successful game companies started off trying to build a single big hit. Most game companies that today are viewed as successful got lucky with the first one which turned into a big hit, then simply redo the same game ala King or Rovio. You never hear about the ones who built a single game that flopped and then gave in. I'm not sure you can tell the difference up front.