|Level code||World 6-10|
|Game||Super Mario Bros. 3|
|Time limit||300 seconds|
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The entire level is made out of Ice Blocks. After the second pipe is a row of Brick Blocks with Koopa Troopas on them and a ? Block with a power-up. The end of this row of blocks are a group of Brick Blocks and White Blocks, with the right group being a tall pillar and a Buster Beetle behind it. In the group of four blocks to the left of the pillar is a Brick Block containing a Beanstalk to a Switch Block above, which will turn the pillar of blocks into a pillar of coins. After the pillar are some ? Blocks with one containing another power-up, and the area introduces Munchers and Frozen Coins. Next is a Para-Goomba and some more Frozen Coins and Munchers. To enter the Warp Pipe under the Munchers, the player needs to race over to this area after pressing the Switch Block from earlier and defrost the Frozen Coins: If done fast enough, the player will enter a secret area containing a Hammer Suit. After a gap with a Koopa Paratroopa is a row of Frozen Coins and Munchers, with Buster Beetles and White Blocks on top of them. After gaps with a Rotary Lift and a Koopa Troopa is the goal.
If Mario or Luigi picks the Hammer Suit up while sliding down the slope, he will still be sliding with the Hammer Suit on, an action that Hammer Mario cannot normally perform. Doing so reveals an otherwise unseen sprite of Hammer Mario or Luigi sliding.
In the original NES version, atypical values are assigned to the usual "green" palette, causing them to appear white instead. Affected objects include Fire Flower stems, the flashing of White Blocks, and the center ball on the Rotary Lift. This trait is also present in World 6-3.
Red Koopa Troopa
Red Koopa Paratroopa
- Power-ups: 3 (2 Super Mushrooms or Fire Flowers and 1 Hammer Suit)
- 1-Up Mushrooms: 0
- Secret areas: 1