World 5-2 (Super Mario Bros.)

World 5-2 is the second level of World 5 in Super Mario Bros. This is the only level in the game that has Buzzy Beetles above ground if the player is not playing on Hard Mode.

Layout
The player starts at the bottom of a small flight of stairs, which has a Bill Blaster at the top. After which is a Koopa Troopa and a Springboard, followed by two rows of Brick Blocks with the top-right-most block containing a power-up. Next is a Koopa Paratroopa followed by a Hammer Bro. on a small flight of stairs. Afterward is a Warp Pipe with a Piranha Plant, which leads to an underwater area with Bloopers, Cheep Cheeps, and sinking lifts that will push the player downward. After the initial Warp Pipe is a broken set of stairs with two Goombas walking down it, followed by a formation of blocks and a Hammer Bro. By finding a Hidden Block to the right of the row of ? Blocks, the player can reach a beanstalk in the left-most Brick Block above that leads to Coin Heaven. After the blocks and a gap is a Koopa Paratroopa and a Bill Blaster, then the Warp Pipe the player exits the underwater area through, and two rows of Brick Blocks with Hammer Bros. on them; the Hammer Bros. will not appear if the player went through the underwater area, however. In the right-most block of the top row of Brick Blocks is a Super Star, and after a gap and a stone pillar is where the player drops down from Coin Heaven if they took that route. After a line of Buzzy Beetles, there are two low blocks containing a Coin Block on the left and a power-up on the right; if the player is in Super or Fire form, they will need to crouch and slide to collect the contents. After some platforms are some Goombas and Koopa Paratroopas, and a single Brick Block containing a power-up. Next is a pipe with a Piranha Plant and a Koopa Paratroopa jumping down the broken up stairs before the Goal Pole.

Super Mario Bros. Deluxe challenges
In Super Mario Bros. Deluxe, the player can collect five Red Coins, find a hidden Yoshi Egg, and get a medal based on their score. The Yoshi Egg is found in a Hidden Block above the last step of the stairs with the Hammer Bro., and the score to beat is 36000. The Red Coin locations are:
 * In the Brick Block directly underneath the first power-up
 * After the lifts in the underwater area
 * In the low-hanging Coin Block
 * In an added Coin Block in the high Brick Block platform, Hidden Blocks are placed underneath
 * Above the Brick Block platform above the final pipe

Enemies

 * Koopa Troopas
 * Goombas
 * Piranha Plants
 * Koopa Paratroopas
 * Bill Blasters
 * Bullet Bills
 * Hammer Bros.
 * Bloopers
 * Cheep Cheeps
 * Buzzy Beetles

Level statistics

 * Power-ups: 4 (Three Super Mushrooms or Fire Flowers and one Super Star)
 * 1-Up Mushrooms: 0
 * Secret areas: 2