The Impossible? Maze

'''The Impossible? Maze' is the fourth extra level of Super Mario World 2: Yoshi's Island and it's Gameboy Advance remake, Super Mario Advance 3: Yoshi's Island''. It is found by getting 100 percent in every level of world four. The level is in an underground sewer in a maze that would most likely would seem endless, unless the player can notice where they can roll the crates to reach higher areas where a door is. They can push the crates through the water to also find other items, such as red coins and flowers. The main enemies found in the level are Piranha Plants, but the biggest danger of the level is Grim Leechers that's resides in the pipes.