World 7-1 (Super Mario Bros. 3)

Level
World 7-1
In Super Mario Bros. 3 In the Super Mario All-Stars version
Level code	World 7-1
World	Pipe Land
Game	Super Mario Bros. 3
Time limit	300 seconds
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World 7-1 is the first level of Pipe Land in Super Mario Bros. 3. It is immediately accessible after the player has cleared Ice Land and its own completion unlocks World 7-2.

Layout

Unlike most other levels, this level has the player climb up vertical platforms and the player can "wrap" around the stage, meaning if they move of the left side, they will appear on the right and vice versa. The player starts in an outside area, with the door to the right leading into the actual level. The player will appear at the bottom of the level and has to jump up some narrow platforms to reach one of two hanging Warp Pipes leading upward. The player then has to avoid Piranha Plants as they try to enter the next hanging pipe, which will take the player upward and to the right. Here, if the player manages to jump around the ? Blocks or fly up using a Super Leaf or similar power-up, they can find a 1-Up Mushroom in a Hidden Block. Continuing upward requires taking the Warp Pipe on the left, because the one on the right leads back down. On top of the curved pipe is a Koopa Troopa that can be used to hit the grounded ? Blocks and cause a power-up to appear out of the block to the left, and by using a Jump Block to jump onto a floating pipe above, the player can continue upward. The player will then jump through a pipe that wraps around the stage, which the player can use to build their Power Meter and fly up to the left to reach a pipe leading to a room full of coins. If the player does not have a flight power-up, they will have to jump up pipes to the right, avoiding Piranha Plants and using Jump Blocks to gain additional height. After either path, the player will have to go through a hanging pipe to a small room with Koopa Troopas and a Koopa Paratroopa, the later of which can be used to reach an invisible block near the Warp Pipe containing a 1-Up Mushroom. Through the Warp Pipe is the goal.

Glitch

The Family Computer (and Nintendo Entertainment System) iteration of this level has a "wrong warp" glitch that can allow for arbitrary code execution, typically used by speedrunners to take Mario straight to the scene where Princess Peach is saved at the end of the final castle. With precise timing, Mario can enter from the wrong side of the rightmost Pipe of the bottom two in the main area, causing him to warp downward into glitchy garbage tiles resembling the top of the level. Precise manipulation of various Koopas is used to control what code is executed. This glitch can be done in the Super Mario All-Stars version, though it will "properly" wrap Mario around to the top of the level, while the glitch has been entirely fixed for the Game Boy Advance version. A similar glitch exists on Yoshi's Island 2 in Super Mario World.

Enemies

Image	Name	Count
	Green Koopa Troopa	2
	Red Koopa Troopa	4
	Piranha Plant	4
	Red Koopa Paratroopa	2

Items

• Power-ups: 1 (Super Mushroom or Super Leaf)
• 1-Up Mushrooms: 3