WarIsTheAnswer

R Is For Running Complete a level without dying

Last Words Discover the last words of the 26 original corpses.

First Table Tennis Victory Win a Table Tennis game.

I'm the Firestarter Make enemies with all of your friends.

Slippery Slope Complete the "Black Ice" Special Ops mission on any difficulty.

I'm Your Biggest Phan Defeat Phantom

Fortune and glory, kid. Fortune and Glory... Reach the Slumbering Sanctuary for the first time!

First Tennis Victory Win a Tennis match.

Wedding Crasher Complete "Operation: Machine Man".

Redline Champion Win the 'Redline' Trophy event on gold star difficulty.

Expert Mode complete Completed Expert Difficulty

Hypochondriac Used 20 First Aid Kits.

Fallen Comrade Find the Youngbloods in the Jungle

Who's a Good Boy? Find ten targets with the dog.

Tower Defense Had 20 Guard Towers in a single game

5 Expert Silent Assassins 5 Silent Assassin Ratings awarded on the Expert Difficulty

Cold Pot 4 Sigourney often wanders the town when
the weather is nice. Having been told
that her "pot is getting cold!"
you now have to take her home. She's
just doing this on purpose, isn't she...

Waking up the Neighborhood Start the Sleeping Village level.

Swiss Army Strife Max all weapon skills.

Unstoppable Force Kill 3 enemies with a single use of Tempest

Soft Targets Destroy all vehicles using the UAV in Chapter 7: Golden Gate

The Bond Between Men Quietly return the [Legendary Guitar
Grecotch] to Keith when he is working
at the Milk Barn.
This could be the start of a lasting
friendship.

Broken Cycle Defeated The Bogeyman.

Architect Defeat the Overlord of the Desecrated Fortress.

Never Let Go Complete Act 1.

Why Not Both Use 2 different special abilities within 10 seconds

TBoGT: Bear Fight Win the L.C. Cage Fighters championship. (The Ballad of Gay Tony)

Champion of Tall Fish Tales Defeat "Chums" the Old God at their highest difficulty level.

Cave Crusher Complete all Caves Levels on Hard

Sierra Souvenir Aficionado Collected 500 Sierra Madre Chips.

Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses

I Hope You Gorge Yourself Start the Pumpkin Gorge level.

A Classic Perform the Sleeping Bag kill.

Agricultural Community Had more than 20 Plantations, Hydroponic Farms, Factory Farms and Ranches in a single game

Come fly with me Take a Meep creature for a flight for at least 10 seconds.

Unwanted Customer A customer at the Galaxy of Terror has
practically been stalking Carol, causing
trouble for her.
Drive off this "Unwanted Customer" who
comes to the bar after 21:00.

The Veteran Severed: Complete on Zealot difficulty

Shepherd of Odd Rescue half of all the Mudokons

All Firearms collected All Firearms collected and displayed in Hideout

DIAMONDS! Acquire diamonds with your iron tools.

Whack-No-Worm Defeat the Boss Worm without defeating any Small Worms.

Nothing to Fear Complete "Outer Daemons".

Army of clones Create 30 clones

5 Professional Silent Assassins 5 Silent Assassin Ratings awarded on the Professional Difficulty

An Echo Of The Past Find All Clues

PIRATES OF THE CARIBBEAN Booty Master Collect all of the PIRATES OF THE CARIBBEAN prize bubbles

Safer Skies Destroy all the SAM trucks in the level in Chapter 6: Overwatch

We March for Macragge! In the Land Raider job, complete the "Ultramarines II" Plaque first

Broken Puppet Defeat the Puppeteer

Burden of Command Choose the destiny of Captain Pennington