Rock 'N' Roll Defense Steam CD Key Platform: Steam Release Date: 23 Feb, 2016 Product Description Rocked by an explosive soundtrack, choose your band, place your equipments and defend the Rock 'N' Roll from everyone and everything who try to pull it down, on a totally hardcore tower defense! Features 10 stages on the first show 1 band and 4 speakers 5 different enemies (1 boss) 5 musics System Requirements OS: Windows XP or Superior Processor: 2 Ghz Memory: 1 GB RAM Storage: 1 GB available space