Duke Nukem, the politically incorrect celebrity and ultimate alien ass kicker, defends Earth and its babes from alien invasion. Take the fight to the aliens in Hollywood, Los Angeles, a moon base and alien spacecraft. Defeat the aliens, so Duke can get back to some R&R with a stogie, a warm belly and a bottle of Jack.
A large level set in a canyon somewhere in the US. Duke has to infiltrate a command center, which is now under alien control, and kill the two overlords responsible for the takeover - the Bruiser Brothers.