Estrondeira

Moon Mission Meister Completed all of the side missions.

Ding! Overleveled to 11 Reached Level 61

The Gun In The Stone Removed Excalibastard from the stone.

Collect Peng Find the Peng treasure

Who You Gonna Call? Completed the "Sub-Level 13" missions with 3 other players.

Bouncing Betty Kill a Cyst by catching its Mine and throwing it back

I Come From The Land Up Over Discovered all named locations in Serenity's Waste, Triton Flats and Stanton's Liver.

Speed Demon III Drive through the Valhalla Maze in under 40 seconds

Eridian Explorer Discovered all named locations in Outlands Canyon, Outlands Spur and Vorago Solitude.

Master Speed Demon Beat all three Speed Demon challenges

Ambassador of Peace Reached Level 14 with Good Karma

Small Tournament Completed the lesser challenge in all 3 coliseums

Piece of cake Storm the common room and kill everyone without taking damage on veteran.

DLC: Mars: Welcome to Mars Reboot the Terminal on top of the Control Center Antenna.

Elementalist Had an enemy frozen, corroded, ignited, and electrocuted at the same time.

Tenpenny Tower Completed "Tenpenny Tower"

Clean Cut Sever all three tentacles of a Lurker with one Line Gun Primary Fire shot (single player only)

Dedicated Relic Collector Find 3 Relics

King of QUB3D You beat the high score in QUB3D.

Vincible Killed Crawmerax the Invincible

Audiophile Collect all 18 Rorke files.

Silent Kill Kill 5 enemies in a row with a sneak kill without being discovered.

One Man Army You survived a 6 star wanted level for a full 5 minutes.

Smash and Not Grab Destroyed the Tassiter Proxy.

Trouble on the Homefront Completed "Trouble on the Homefront"

Oasis Completed "Oasis"

My Best Friend Completely upgrade one weapon.

Head of State Completed "Head of State"

No, I'm Athena! Killed 100 enemies with the Aspis.

Wave and Smile Play any Arena in co-op.

Reilly's Rangers Completed "Reilly's Rangers"

Wendell's Story DLC Vietnam: Complete the game (Host only).

Last, Best Hope of Humanity Reached Level 20 with Good Karma

Leave no one behind DLC Vietnam: Free the 3 US prisoners of war (Host only).

Master Survivalist Complete the game on hardest possible settings

Mission Accomplished Complete Not a Hero on Easy or Normal difficulty.

Doesn't Play Well with Others Killed 300 people

Agatha's Song Completed "Agatha's Song"

Mercenary Reached Level 8 with Neutral Karma

One-Man Scouting Party Discovered 100 locations

You've earned it Earn the mask. Finish the campaign on Veteran.

Silent Death DLC Vietnam: Perform 25 stealth kills while you have the 4 survival instinct tokens.

Master Relic Collector Find all 6 Relics

Cosmic Completionist Discovered all named locations.

Ice To Meet You Shattered 3 frozen enemies with a single slam attack.

Sneaky Little Buggers Killed each of the loot midgets

Peek a Boo! Kill a Stalker with the Seeker Rifle while in Zoom Mode

Totally Recalled Successfully recovered the Override Key.

Out of honey? Chew bees! Survive 5 waves using only your fists and legs.

Executioner Killed 10 enemies in a single activation of Showdown.