Editing World 1 (New Super Mario Bros.)

{{quote2|Ah, good ol' World 1. The first world in a game should be easy, right? Wrong! Mario's first stop in his latest adventure is filled with danger and will take him over land, through sewers, and underwater before he reaches his goal.|Official website}}

 

'''World 1''' is the first [[world]] in ''[[New Super Mario Bros.]]'' It is a grassland-themed world with enemies such as [[Goomba]]s, [[Koopa Troopa]]s, and [[Cheep Cheep|Cheep-Cheep]]s. This world also introduces the game's new power-ups, the [[Mega Mushroom]], [[Mini Mushroom]], and [[Blue Shell]]. [[Bowser Jr.]] and [[Bowser]] are fought here at the [[fortress]] and the [[castle]], respectively. There are eight [[level]]s in the world, with four along the standard path, one along a split path, and the Castle/Fortress level. There are five [[Toad House]]s: two Red Toad Houses, one Orange Toad House, and two Green Toad Houses. In addition, when the player beats the game, a Blue Toad House appears, in which the player can buy and swap wallpapers for the touch screen while on the World Map. It has a total of ten exits.

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!width="5%"|Level

|This is the second level in the world, and the first underground level which introduces [[Piranha Plant]]s. It has a secret exit that unlocks a different path that directly leads to the tower of that world. ''[[World 1-2 (New Super Mario Bros.)|Read more...]]''

|This is the first tower in the game which introduces [[Dry Bones]]. It has a secret exit which unlocks the {{world|1|cannonn}}. ''[[World 1-Tower (New Super Mario Bros.)|Read more...]]''

|This area can be unlocked by using the secret exit in {{world|1|towern}}. The area contains a [[Warp Cannon]] in the middle of the grassland. If the player enters the Warp Cannon, they will be launched to [[World 5 (New Super Mario Bros.)|World 5]], which can be seen in the background.  

|This level is the first underwater level in the game. This level introduces [[Sushi]] and [[Cheep Cheep|Cheep-Cheep]]s. It is the first and only secret level in World 1. ''[[World 1-A (New Super Mario Bros.)|Read more...]]''

|This level is the first Castle level in the game, and the last level in World 1. The majority of the level consists of walking on tightropes over lava. This level introduces [[Lava Bubble]]s. ''[[World 1-Castle (New Super Mario Bros.)|Read more...]]''

{{NSMB Levels}}