RedGuardian

Blackrust Refinery Unlock Blackrust Refinery region.

60 to 0 Kill a player with full health in one shot.

Builder's Brew Kill an Elite Zombie with the final hit coming from a Wisp

Tag me if you can! Avoid being hit by the laser traps during the boss fight in the Creepy Citadel level.

Limited edition Complete one character's puzzles

Checking Boxes Complete 10 Assignments in Zone IV in Endgame

Halfway There Completed half of all Challenge Mode missions on any difficulty.

Angels and Demons Finished Directory 3: Angels and Demons

To Be or Not to Be Kill the scientist trapped next to the Reactor Control Room in DOOM 3

Offside! Throw the fish to a team-mate who then scores within one second

I've got my eyes on you... You beat "Mama Tick"!

Worth Its Wait Obtain two golden katana

Initiating dialogue... Used a callout

SCAR gun Find and equip yourself with a SCAR gun.

I am Gundam. Achieved a 50 hit combo excluding "The Threat of Zeon"/Tutorials

Thankies! Finished a mission in multiplayer

Dust To Dust Complete the Main Quest in Ashes Of The Damned

Ripped! Use the chainsaw to kill 20 enemies in DOOM 3

The Chief Escapes Complete The Asylum

Millionaire Earn over $1,000,000.

Not Over 'Til It's Over When you get that feeling like "I can't let it end like this!", that's when you should use a V-Reversal. Practice it 100 times, and then you'll be able to pull it off in your sleep!

Perch Plunge Dive off the Tree in Woodburrow.

Speed Runner Beat the fastest time of all missions of the game.

Globetrotter Competed at every location in the game

Ace Cro-Magnon City Ace Cro-Magnon City.

Hey, what do I do next? Destroyed 500 enemy MS/MA excluding "The Threat of Zeon"/Tutorials

Evil Things with Crazy Teeth Complete "Toxic Treasures - Stage 10"

More Secrets? New Faces from Craazy Places

Tycoon's Superiority Kill 1000 feral zombies

Dragon Sword Master Defeat 1000 enemies with the Dragon Sword.

Consecutive Consistency Quick reactions and steady aim let you hit 20 straight chains

Stars Unseen Reach Knowledge Rank 10

Scientific Breakthrough Equip 2 Minor Augments each on a Field Upgrade, Perk, and Ammo Mod

Big Finish Complete the first tier of the challenge “Big Finish” in any mode.

Career crooner Accumulate 3000 seconds of perfect pitch

The Emperor Protects Complete Part 1 of the game on Hard difficulty in a single session without dying or restarting.

Down Under You've taken your first steps into the GATE Cascade Research Facility.

Endurer Obtained 50,000 points in the punishment mini-game.

Jack Of All Trades Unlock all Proficiencies.

Sonic the Hedgehog Clear the Sonic story.

Souperseded Defeat your first rival soup company

Members Only Complete all of the Shooting Gallery challenges

Original S-license Get S class license in Original mode.

Trick or Treat Complete all Asylum rooms in a costume

Holiday special Play on Christmas Day

Taster Session Try all the game modes in Single Player Race

The Splits Split three arrows in a row in any Archery mode.

The Memory Remains View a Metallifacts video

Back From Hell Feel like taking the plunge into Survival Mode on extreme? Come back alive, and I'll grant you an audience with none other than me, the great Lord Bison!

I Conquered All Beat All S.T.A.R. Lab Missions (Excluding DLC)