800 600 0 0 Alien Planet./media/challenges/moon.xml./media/textures/moonLoading.jpg Volcano./media/challenges/volcano.xml./media/textures/vulkanLoading2.jpg Surprise!./media/challenges/challenge3.xml./media/textures/surpiseLoading.jpg Helix Hazard./media/challenges/noweapons.xml./media/textures/spiralsLoading.jpg Raining..../media/challenges/challenge0.xml./media/textures/rainingLoading.jpg