World 1-3 (Super Mario Bros. 2)

World 1-3 is the third level of World 1 in Super Mario Bros. 2.

Layout
For the normal exit which will lead to World 2, the player needs to play the castle as normal and reach the end to face Mouser.

Hidden Exit
The level features a hidden warp to World 4. Right before the castle, there will be a cluster of plants, one of which is a magic potion. The player must take the magic potion past the castle to a vase. Then player needs to use the magic potion to create a door; once through, they can enter the vase while still in Subspace to warp to World 4.

Ace Coin locations in Super Mario Advance

 * 1) The first coin is right above the starting point.
 * 2) The second coin is above the pair of logs after the 2 big waterfalls.
 * 3) The third coin is above the aforementioned warp vase.
 * 4) The fourth coin is right before the locked door.
 * 5) The last coin is inside the locked room, in the third section.

Yoshi Egg locations in Super Mario Advance

 * The first egg is under the bridge.
 * The second egg is on the middle of the three platforms with Sparks. To get the magic potion, the player has to go down the vase.