World 1-1 (Super Mario Bros.)

World 1-1 is the first level of World 1 and the very first level of Super Mario Bros., its remake Super Mario Bros. Deluxe and Super Mario All-Stars. The enemies of this level is Goombas and Koopa Troopas

Overview
World 1-1 takes place above ground. At the beginning of the level, there is a fort in the background. There are many Brick Blocks and several Item Blocks. There are sixteen Goombas and one Koopa Troopa. There are several pipes, one of which is a Warp Pipe that leads to an underground room while all the others do nothing. It contains several coins and another pipe leading to back up to the surface to the end of the level. Near the end of the level is a staircase made of Blocks next to a Flagpole and another fort.

Other appearances
World 1-1 appeared in every remake of Super Mario Bros. It also appeared in Super Mario Advance 4: Super Mario Bros. 3 as an e-Reader level available by scanning a Classic Level Card.

In Super Smash Bros. Brawl the Mushroomy Kingdom stage takes place here. It had become an arid wasteland. It sometimes takes place at World 1-2 instead of World 1-1.