World 8-1 (Super Mario Bros.: The Lost Levels)
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The level begins with the player facing a row of ? Blocks surrounded by various enemies, with the seventh block from the left containing a power-up and the second from the right containing a Poison Mushroom. Before a stone pillar at the end of the path, wind will begin blowing and will continue until after the gap ahead with the three Koopa Paratroopas. After this gap is a stack of Bill Blasters, followed by a hanging pipe with Brick Blocks above (the far left of which containing a power-up) then a Hammer Bro. that will begin charging at the player. Next is a large gap; to cross it, the player needs to stand on the end pillar until the Koopa Paratroopa comes into view, then time a running jump so they bounce off of the Koopa Paratroopa (attempting to jump without being able to see the Koopa Paratroopa will not work). After the gap are some charging Hammer Bros. and Bill Blasters around a formation of Brick Blocks, the bottom-left-most of which containing a power-up and a Hidden Block against the back of the stair formation contains a 1-Up Mushroom. There is also a Hidden Block and a Brick Block that contain Poison Mushrooms. Next is a series of pipes, the second of which leads to an underwater with Bloopers and Coins that will lead to a backwards Warp Zone to World 5. After the fourth pipe is a Coin Block and after the fifth pipe is a large gap before the Goal Pole.