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Bad Trip Dance with the Devil.

Tools of the Trade Craft the Virus Filter and Flare Gun in Survival mode.

Scorpius A Solved the first Scorpius riddle

Horror Stories Collect all research logs.

Extermination Master Win 25 public matches of Extermination

Fostering Father Heard everything Alexander had to say.

I F.E.A.R. Nothing! Finish a wave of Contractions on INSANE without anyone going into Last Stand

Slow and Steady Finish a race with a character that has a 0 in all attributes.

The Geek Complete the game on Recruits difficulty.

Metal God Achieved 100% completion on the stats screen

Beakers We Can Complete "Muppet Labs!" using no more than 40 Beakers

Tower Tourist Encounter 15 different biomes in your Tower adventures.

Gold Star Crafter Craft a 1 star legendary mod, a 2 star legendary mod, and a 3 star legendary mod

Day 5 Mastered Complete all Day 5 challenges at gold level

Eagle Eye Find the 5 bugs in less than 5 seconds

Beyond Humanity Embrace the Madness.

Rampart Rampage Complete the Colossal Rampart secret mission.

Race Star Unlock all 49 trophies

Dimension Traveler Rebuild and obtain the Magic Portal Staff and defeat Namoris for the last time to gain unlimited warp access to the portal.

Everlasting Perfectionist Accumulate 100 hours of play time.

Conservationist Complete a story mission in the single player campaign without reloading a gun.

There's someone in my house eating my birthday cake Keep your house undamaged for 5 minutes in Commando mode

Little Brother's Helper As Pointman, kill 100 enemies suspended by Fettel

Super Sleuth Collect all lost stories.

Lord of Mordor Defeat Gandalf as Sauron in the Shire ("Rise of Sauron" Campaign).

Sweet Cleaner Complete the "Cleaning the Circus" mission without making King Klong angry.

Post Post-Apocalypse Complete Obsidian Pinnacle on Apocalypse Plus 5 difficulty.

Wages of Conflict Aquire all conflict diamonds in the game available through payment or exploration

Sagittarius A Solved the first Sagittarius riddle

Extermination Addict Play 100 public matches of Extermination

I'm not a Doctor, I'm a Medic! Perform 50 revives in any game mode

CvS Master Win 25 public matches of Creatures Vs. Soldiers

Galactic Explorer Complete half of the Scavengers Odyssey Challenges

Gemini B Solved the second Gemini riddle

Level Fan Reach level 100 with any of your main characters.

Ain't Got Time to Bleed Heal or regenerate 30 blocks of health in Survivor

Big Dipper Earn 21 stars in Challenge mode

It's a Secret to Everybody Find all secret areas in the caves.

Dress for Success Complete a Daily Trial with a level III challenge while wearing Emerald Gear.

Tower Sweeper Completed every side quest in the Vimmark Mountains prison tower. ("Legacy" downloadable content)

My Kung Fu Is Strong Gain Mastery of 1 Fighter

...And Justice For All You verified all high value targets

Ginger Save Ginger from the bandits.

Born to Park Complete level 10 in the task "Parking Boy".

Nevada Gold Earn a gold medal or better for each event in the “Nevada Dreams” Challenge Series

What Happened, Happened Collect all snapshots.

Aquarius B Solved the second Aquarius riddle

Glipforg Taxi Driver Complete level 10 in the task "Taxi!".

Arbitrarily Exterminated Kill 2179 Xenomorphs

Gold Rush Earn a gold medal or better for each event in the “Coastal Rush” Challenge Series