The studio, based in Iowa City, Iowa, is reportedly award-winning, having expertise with the Wii and DS. Okay, so you probably don't know who they are. Maybe you've heard of something they worked on, though? Activision has previously worked with them on games such as Guitar Hero III, Guitar Hero: Aerosmith and Guitar Hero: World Tour. Budcat are currently working on the next of the many Guitar Hero games we were promised. .