World 1 (New Super Mario Bros.)

The World 1 in New Super Mario Bros. was around Princess Peach's Castle. It had many grass, and flowers and here was where Mario and Luigi's adventure started. This world takes place in the Mushroom Kingdom.

Bowser Jr. was fought here for the first time, and Bowser was the first boss in the game, not counting Bowser Jr. who's a mini-boss. After defeating Bowser, the brothers would go to World 2.

Levels
1-1:The quest starts with an easy level.

1-2:Mario/Luigi must navigate this cavern.

1-3:You must go through this level of 'shrooms in the sky.

1-Tower:Must go in this tower of slowy moving platforms.

1-4:Go into this hilly area with several Koopas and Goombas.

1-5:Bounce onto the bouncy 'shrooms.

1-A:Swim through this Sushi filled area.

1- Castle:Explore this lava and rope filled castle,with Bowser at the end.

Enemies introduced

 * Koopas
 * Goombas
 * Dry Bones
 * Super Dry Bones
 * Podoboos
 * Cheep-Cheep
 * Mega Cheep-Cheep
 * Piranha Plant
 * Paratroopas
 * Sushi