50m (or 50 m) is the second level of the Donkey Kong arcade game and Donkey Kong for the Game Boy. This level has a series of conveyor belts which run along the second, third, and fourth floors. Because of this, as well as the cement mortar containers that frequently appear as hazards, it was often nicknamed the "Pie Factory" level. This level has hammers to smash Fires and Sand Piles. There are also ladders, which Mario must climb. The top ladders will also disconnect and connect when Donkey Kong beats his chest, which he does instead of throwing barrels like in the first stage. The Oil Drum in this level is in the middle of the stage, and will produce more Fire to burn Mario. Lastly, because the top floor is a conveyor belt, Donkey Kong will be moving left to right throughout the level. As Mario reaches the top, Donkey Kong will take Pauline again and will climb up to 75m.
In the Game Boy version, this is the location of Pauline's Parasol.