Run for your life! Act 1 - Shortly after destroying Robotnik's final defense against him, Sonic is forced to flee Scrap Brain zone as it begins to explode. Act 2 - After falling down a chasm, Sonic finds himself standing in front of a fire wall, Sonic must outrun it Act 3 - Sonic is near the exit, and he to runs through Scrap Brain whilst it crumbles beneath his feet
