World 1 is the first world found in New Super Mario Bros. that Mario and Luigi venture through. This world is to be Mushroom Kingdom which features Princess Peach's Castle and is a grassland which grows grass and flowers. The mini-boss here is Bowser Jr. and the boss here is Bowser. This place also features 5 Mushroom Houses total and a Warp Cannon as well as a secret level.


Introduced Enemies

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