Real Flight Simulator 3d Move the Car Cut the Rope 2 Fireboy And Watergirl 4 Crystal Temple Bounce Ball Run Rich 3d Fun Summer Holiday Indian Uphill Bus Simulator 3D Shoe Race Moto X3M My Shark Show Race City Beat Line Sand Ball Foot Doctor Parkour Block 3d Pokey Woman Pixel World Hungry Shark Arena Fruit Ninja 2 Draw Tattoo Hunter Training Flipsurf. These are the 5 most prominent levels (versions) of the hidden level of Geometry Dash 'The Challenge' which are 'The Challenge 2013' (The old version and mad.