World 4-1 (New Super Mario Bros.)

World 4-1 is a level found in New Super Mario Bros. This is the first level that introduces Dorrie, as well as purple poisonous water that kills Mario or Luigi in one hit, no matter which form they take.
== Layout ==
This level is a forest with poisonous water underneath, and the level introduces Scuttlebugs as common enemies in this level, accompanied by Koopa Troopas and Goombas. There are plenty of high, short platforms which Mario or Luigi must be careful while they jump around, to avoid the dangling Scuttlebugs.
Within halfway to the level, Mario or Luigi can ride on Dorrie, as he takes the player through a whole river of poisoned water. However, there are more Scuttlebugs dangling from above, but if Mario or Luigi are in Fire form, he can deflect fireballs that bounce off Dorrie and hit the Scuttlebugs at the right angle. After crossing through the river, Mario or Luigi will have to travel through a stairway of platforms and more enemies before reaching the Goal Pole.
=== Secret exit ===
While Mario is riding Dorrie, the player should notice that on the way, there are two ? Blocks with three normal blocks in between. If Mario or Luigi get on top of them and jumps in the middle, a Beanstalk will come out of a Hidden Block. Mario must climb on it and enter the pipe to reach the Red Flagpole. The secret path opens up a 1-Up House, and .
== Star Coins ==
*Star Coin 1: Mario should jump off one of the two Scuttlebugs to reach the first Star Coin.
*Star Coin 2: While riding Dorrie, Mario should jump off one of the Scuttlebugs again to reach the second Star Coin.
*Star Coin 3: After hopping off Dorrie, Mario can find two Scuttlebugs and a brown block formation. He should defeat both Scuttlebugs and carefully traverse the Donut Blocks and Poison Water to reach the final Star Coin.
== Enemies ==
== Gallery ==
Category:Levels
Category:Levels in New Super Mario Bros.
Category:Forest-themed