Partway through the Zone, Knuckles appears and turns off all of the lights (this does not affect the gameplay of the Zone, although it does raise the Zone's water level). Eggman in Marble Garden Zone, Tails airlifts Sonic to Carnival Night Zone, and Knuckles runs there from the previous Zone. Set in a massive metropolis on Floating Island that seems to have a never-ending carnival going on during the nighttime, Carnival Night Zone is full of lights, balloons, tilting cannons and giant rotating barrels.Īfter defeating Dr.