Instructions : Space Bar to jump; Use your left/right arrow keys to move from left to right. To climb ladders use your Up arrow.

The story : Donkey Kong has stolen Mario's girlfriend and taken her to the top of a steel structure. You move Mario over girders and up ladders, leap over tumbling barrels, dodge lethal fireballs and jump onto fast-moving elevators, trying to rescue Mario's girlfriend from Donkey Kong.