World 6-3 (New Super Mario Bros. Wii)

In this level, there are Super Piranha Plants, Stalking Piranha Plants, and Buzzy Beetles. The course is a network of Warp Pipes with raising and lowering platforms which the Super Piranha Plants are on top of. When the player sees a passageway that is blocked by brick blocks, they can break them and Wall Jump out of the Pipe to get a Star Coin. Some switches raise and lower the level of the water.

Enemies

 * Piranha Plants
 * Super Piranha Plants
 * Stalking Piranha Plants
 * Buzzy Beetles