Template:Worldbox World B is the third secret world and the eleventh world overall that in Super Mario Bros.: The Lost Levels. If the player completes this world, the player will gain access to World C.
Level information
| Level | Preview | Summary |
|---|---|---|
| World B-1 | File:World B-1.png | This is an overworld level with a few pits, a Super Spring and a Coin Heaven. |
| World B-2 | File:World B-2.png | An underwater level which has several features including a long Fire Bar near the end. |
| World B-3 | File:World B-3.png | This level has very long pits which require the use of several platforms to be cleared. |
| World B-4 | 
|
A simplistic castle level with few obstacles and Warp Pipes that lead back to the beginning. |
Gallery
Level maps
The Lost Levels
World B-1
World B-2
World B-3
World B-4
All-Stars
World B-1
World B-2
World B-3
World B-4
Screenshots
World B-1
World B-2
World B-3
World B-4
