Slidin' the Slopes
From the Super Mario Wiki
Slidin' the Slopes is an e-Reader level for Super Mario Advance 4: Super Mario Bros. 3. The level contains four Advance Coins. Its official difficulty rating is ★★☆☆☆. This card was released as part of series 1 in Japan and North America. The former depicted Morton Koopa Jr. on the keyart, while the latter depicted a Boomerang Brother.
This level has the same floor and background as World 8-2. One of the Advance Coins in this level is hidden in an area accessed by a Warp Pipe. The player has to find a Triangular Block and keep running through other Triangular Blocks, and if the player stops, they fall on a floor filled with Munchers. After that, there is a steep hill. Then there are coins in the shape of e+. A Boomerang Brother with a blue boomerang then comes before the goal. This is the only level outside Japan to feature Triangular Blocks and the Boomerang power-up.
New level elements
Names in other languages