detoxscission

Extermination

Kill 50 aliens

Annihilation

Kill 100 aliens

Nuclear Devastation

Kill 250 aliens

Hippy-Stomper

Foot stomp 12 aliens

Judge, Jury, Executioner

Execute 20 aliens

Trapper

Kill 10 aliens with Trip Mines

Freeze Well!

Kill 15 frozen aliens

Road Rage

Kill 15 aliens with the monster truck

Fork the Pork

Kill 6 aliens with the forklift

Dead Useful

Kill 10 aliens with environmental explosives

Tosser... in the Literal Sense

Kill 10 aliens with tossed objects

Duke Angry, Duke Smash!

Kill 15 aliens with melee attacks while on steroids

Noms

Eat 10 pieces of food during the SP campaign

On the Noggin'

Kill 30 aliens with headshots

Substance Abuser

Drink beer while on steroids or vice-versa in SP

Natural Disaster 3x

Kill 3 aliens at once

Full Body Tourettes

Get knocked down 10 times

Turd Burglar

Find and steal a piece of poo

I Need a Towel

Get hit by 10 Pregnator bombs

Baron von Nukem

Shoot down 20 alien fighters

I Need a Date

Look at every page of a calendar in SP

Sticky Bomb Like You!

Put a Trip Mine on a live alien

Big Guns, Big Ships

Blow up 5 enemy gunships or dropships

Air-Duke

Win air hockey with a score of 7-0 in the strip club

Balls of Steel

Earn a 1,000,000 pinball score in SP

Flagon of Chuckles

Drink a beer in SP

Juiced

Take steroids in SP

He's Got a Hologram!

Use a Holoduke in SP

Drawrings

Doodle something on the whiteboard in SP

I Am All That Is Man

Discover all ego cap rewards

Gunslinger

Carry the gold pistol through the whole SP campaign

Piece of Cake

Complete the SP campaign on Easy Difficulty

Let's Rock

Complete the SP campaign on Normal Difficulty

Come Get Some

Complete the SP campaign on Hard Difficulty

Damn, I'm Good

Complete the SP campaign on Insane Difficulty

Special Thanks

Watch the credits all the way through

Bucket Head

Find all 3 helmets in the SP campaign

Call Waiting

Listen to all phone messages

Party Animal

Drink all of the beers in the strip club

Pescaphobe

Kill all of the catfish in the underwater level

Sunday, Black Sunday

Shoot down the blimp above the stadium

Nobody Likes a Whiner

Knock out the talent at the talk show

Lots of Whacking

Win a game of Alien Abortion in the strip club

Companion Barrel

Unlock the secret closet at the end of the Forkstop

One-Eyed Freak

Defeat the Cycloid

Pit Champion

Defeat the Battlelord in Las Vegas

Not Bad for a Human

Defeat the Alien Queen

A Good Dam Fight

Defeat the Battlelord on the Hoover Dam

Octacide

Defeat the Octaking

Beating the One-Eyed Worm

Defeat the Energy Leech

Bubble Buster

Threesome

Passive Aggressive

Bloody Red Rover

Scientits

Heart to Heart

Another Piece of Cake

Let's Rock Out

Come Get a Little More

Damn, I'm REALLY Good

I Am All That Is Man - Again!

Hedonist, not Misogynist