World B

World B is the third secret world that was first featured in the game Super Mario Bros.: The Lost Levels. If the player completes this world, the player will gain access to go to World C.

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