World B

World B is the third secret world that was first featured in the game Super Mario Bros.: The Lost Levels, following World A. If the player completes this world, the player will gain access to go to World C.
==Level Information==
===World B-1===
This is an overworld level with a few bottomless pits, a green springboard and a Coin Heaven.
===World B-2===
This level is an underwater level which has several features including a long Fire Bar near the end.
===World B-3===
This level has very long pits which require the use of several platforms to be cleared.
===World B-4===
This level is a castle level which has a few lava pools in it. The second, third, and fourth pipes all go back to the first pipe (all the pipes contain red Piranha Plants). The last pipe leads to a Warp Zone to World D. At the end will be the Bowser Impostor, the axe, and the Toad, before advancing to World C.
==Gallery==
===Level Maps===
File:SMBTLL World B-1.png|World B-1
File:SMBTLL World B-2.png|World B-2
File:SMBTLL World B-3.png|World B-3
File:SMBTLL World B-4.png|World B-4
de:Welt B
fr:Monde B
Category:Worlds
Category:Worlds in Super Mario Bros.: The Lost Levels
Category:Plains-themed
Category:Secret areas