World 7 (NSMB)
From the Super Mario Wiki
World 7 is a New Super Mario Bros. world made up of clouds. The player get there by beating Petey Piranha (boss of World 5 with a Mini Mushroom, or using the Warp Cannon in World 4. It is the first place Banzai Bill appears (in world order).
The boss, a Dark Lakitu named Lakithunder, is speculated to have caused the attack on Princess Peach's castle in the intro movie.
[edit] Enemies Introduced
| The Worlds of New Super Mario Bros. |
|---|
| World 1 | World 2 | World 3 | World 4 | World 5 | World 6 | World 7 | World 8 |
| World 7 (NSMB) |
|---|
| 7-1 | 7-Ghost House | 7-2 | 7-3 | 7-Tower | 7-4 | 7-5 | 7-6 | 7-A | 7-7 | 7-Castle |

