From the back of the box:
The President of the U.S. has been kidnapped - It's up to Duke to set him free!
Aliens have captured the President! Duke gets word that alien scum have landed in Washington D.C., laid it to waste, and imprisoned the leader of the free world. Always up for a heroic deed, Duke heads to D.C. to rid the city of enemy dirtbags and return the president to power!
Features:
9 of the hugest, most incredible Duke levels ever! There's a 10th "Top Secret" level that we can't tell you about here. (clue: Duke goes back in time to an ancient world)
Duke It Out In D.C. guide - which gives you a mission briefing and level storyline
Award Winning Levels Creator - levels created by winner of TEN's best Duke Nukem 3D levels
Duke travels through the White House, Lincoln Memorial, FBI, Smithsonian, the Naval Institute, Capitol Building, Control Center, Subway System, D.C. Sewage, the Naval Weapons Plant, and much more!!!