World 1 is the first world in Super Mario Bros. and its remakes Super Mario All-Stars and Super Mario Bros. Deluxe.
Description[]
It is a grassland located in the Mushroom Kingdom. It is mostly inhabited by Little Goombas and Koopa Troopas. It consists of an overworld course, an underground course, a treetop course, and the castle.
On the world map from Deluxe, it features several trees, two pipes, some rocks, and a body of water. Located on the far west is 1-1. Just east of it is 1-2, which sits next to a pipe that will lead the player to another pipe on the south end. East of the second pipe is 1-3, which is situated on a small piece of land in the water. The castle sits just ahead of it.
Levels[]
| Name | Image | Description |
|---|---|---|
| 1-1 |  |
This is the first overworld course in the game and the first course overall. Enemies in this level consist of Little Goombas and Koopa Troopas. The player is given a time limit of 400 seconds. |
| 1-2 |  |
This is the first underground course in the game. Enemies consist of Little Goombas, Koopa Troopas, and Piranha Plants. The player is given a time limit of 400 seconds. |
| 1-3 |  |
This is the first treetop course in the game. Enemies consist of Little Goombas, Koopa Troopas, and a few Koopa Paratroopas. The player is given a time limit of 300 seconds. |
| 1-4 |  |
This is the castle level of this world, and overall the very first castle course in the game. The only ordinary enemy here is the Fire-Bar. However, the boss of this level is a Little Goomba masquerading as the fake Bowser. The player is given a time limit of 300 seconds. |
Trivia[]
- All levels in this world were made available in Super Mario Advance 4: Super Mario Bros. 3 as e-Reader levels. Before the game was released for Wii U, only the first level was available worldwide.
