World 3-3 (Super Mario Bros. 3)
From the Super Mario Wiki
The level starts in a somewhat large platform, as the tide rises and lowers and a Boss Bass chases the player. Shortly after this, there is a Koopa Troopa and a line of Brick Blocks, with also some Wood Blocks and a Jump Block that contains a power-up. One Brick Block also contains a Switch Block. Next are some gaps followed by a Rotary Lift, two more Brick Blocks containing a power-up and a Switch Block, and two Ice Blocks. After that, there are several coins which will serve as platforms if the player pressed the Switch Block. Otherwise, there are some Brick Blocks above them alongside another Rotary Lift. There will be jumping Cheep-Cheeps in the process.