The Challenge was a reality game show.
Real World/Road Rules Challenge is the 2nd season of the MTV reality game show , The Challenge ( sometimes incorrectly referred to as the show 's 1st season ) . Real World/Road Rules Extreme Challenge is the 4th season of the MTV reality game show , The Challenge ( at the time known as Real World/Road Rules Challenge ) . The Challenge ( originally known as Road Rules : All Stars , followed by Real World/Road Rules Challenge ) is a reality game show on MTV that is spun off from the network 's two reality shows , Real World and Road Rules . Since the 4th season , each season has supplied the show with a unique subtitle , such as Rivals .