World 4-2 (Super Mario Bros. 3)

World 4-2 is the second level of Big Island in Super Mario Bros. 3. The level becomes accessible once the player clears World 4-1 and its own completion unlocks World 4-3.

Layout
The platforms in this level are continuously moving up and down, and a Cheep Cheep will fly out of the water below. The player will also encounter several other enemies like Piranhacus Giganticuses and Big Koopa Troopas. To collect the power-up in the first ? Block, the player to to kick an Ice Block into it. If the player is powered-up, they can break the Brick Block underneath the next ? Block to get a Super Star, otherwise they will have to use a P Switch nearby. In the same area, several Cheep Cheeps will begin jumping out of the water to attack the player. Entering the Warp Pipe at the end will take the player to the goal.

If the player manages to collect 24 Coins in the level, a White Mushroom House will appear on the map.

Enemies

 * Cheep Cheeps
 * Big Koopa Troopas
 * Piranhacus Giganticuses
 * Fire Piranha Plants

Level statistics

 * Power-ups: 2 (A Super Mushroom or a Super Leaf, and a Super Star)
 * 1-Up Mushrooms: 0
 * Secret areas: 0