Bright Side of News published an article about games with special controllers, like Guitar Hero and Wii Fit and the Rock Band series. You can read it over here.
I could go on and on about Guitar Hero’s Success, about how imitation is the best form of flattery with the Rock Band Series being started as a basically a clone of the Guitar Hero Series and how it sold over 13 million sales and 60 million song downloads - becoming yet another multi-billion dollar franchise. After all - we all know how that big extra game specific controller games are a license to print money. Or are they?