The Grand Tour Update Title update for Descenders has 8 achievements.
Complete all of the missions in the No More Robots Amateur Tour
Complete all of the missions in the Power Up Audio Amateur Tour
Complete all of the missions in the Liquicity Amateur Tour
Complete all of the missions in the RageSquid Amateur Tour
Complete all of the missions in the No More Robots Pro Tour
Complete all of the missions in the Power Up Audio Pro Tour
Complete all of the missions in the Liquicity Pro Tour
Complete all of the missions in the RageSquid Pro Tour