Splodgewig

Epic Dismemberment Dismember 2,500 Necromorph Limbs (single player only)

The Creative Assassin Complete the Contract Creation Tutorial.

The Way Life Should Be Complete the quest "The Way Life Should Be"

Mushroom With A View Complete The Sixth Seal Challenge Tomb

Roguelike DLC Vietnam: Complete the game in Survivor Mode (Host only).

The Scouring of Mordor Challenge the Dark Lord in Mordor.

Old School Gamer You found all the hidden story items in Megan's office. Point and Click much?

Gladiator Complete Mutant Bash TV in the Campaign

Battle Tested Reach Commander (Level 55) in Multiplayer while playing online.

Better Living Underground Unlock all build areas of Vault 88

His Word Was “Perhaps” Freedom Cry - Complete all missions

What Do We Have Here? Gain an access key to a UFO

Taken for a Ride Complete "Taken for a Ride"

Arts and Crafts Construct 10 Engineering Items

Close To Home Complete the quest "Close to Home"

DLC: Zombies: Early ExZit Denied Try to escape the bridge early in Burned Bridges.

The Professional Completed the street chase in Comrades in under 2 minutes 30 seconds without dying

It Needs Our Help Complete Chapter 1: "Worlds Apart"

Master Archaeologist Endurance Challenge: Collect at least 10 Artifacts

Army Raise all Teams/Units to level 50.

Watch This Space Complete Chapter 7 - One Small Job for Chan

Caiman Conquered Complete the Zipacna's Craving Challenge Tomb

How's It Hanging? Clean up the Dry Docks

Bleeding Edge Obtain the Grenadier Skill, equip the Umbrage 3-80 Shade weapon, and Brocken Shadow outfit

Free fall Splashhhhh!

Cure-All You've cured yourself of Swamp Fever!

Vault Dweller Equip Vault 88 suit and Pip-boy on a settler

One of the Lucky Few Breach the seawall in under 2 minutes without taking MG fire.

Stick it to the enemy Survive 15 consecutive waves using the analog combat controls.

"Gonk? Gonk!" Capture three droids in a match of Droid Run

Electric Burn Kill the Electric Great White

Short Out Defeat the Stalker in under 60 seconds

Hidden Knowledge Learn the secrets of 5 Black Books

Done That Complete all Hammerlock's Hunt side missions.

Jaws of Shadow Complete 25 Caragath Stealth Kills.

Shadow Killer Kill the Shadow Orca

Uncovering the Truth Cold Darkness Challenge: Collect all 8 documents

Find all events Awarded when you find all 15 events on Big Surf Island

Close Shave Complete all Under the Bridge and Knife Flight challenges.

Bull in a China Shop Freeze and melee kill 3 Ravagers

Save Points Complete Chapter 8 - The Rescue

Then What? Gain access to and complete the Mothership mission

Cleared Complete all "Mine Clearing" SIDE OPS.

He Ain't Heavy Complete The Dragon and the Prince Side Mission

Bone Breaker Kill the Bone Sperm Whale

Whole World Blind Complete the Two Graves Side Mission

Cleansing The Land Complete the quest "Cleansing the Land"

The Beginning of the End In Shadows of Evil, complete all Rituals.

Map Maker You've uncovered more than 80% of the Mini-Map!

One Way To Do It Endurance Challenge: Warm up from freezing by standing in fire