Eldonium

Trapped like Sewer Rats Complete Chapter 7.

Underground Undercover Complete "Underground Undercover"

Catch Find someone to play remote Batarang catch with

Not So Scary Now, Eh? Defeat Lord Kardok and his skeletal steed.

Getaway Complete "Desperate Escape" on any difficulty setting.

Back in My Day Complete the entire game on Veteran.

Rockets' Red Glare Complete "Rockets' Red Glare"

Ad Victoriam Complete "Ad Victoriam"

Mystery Stalker Reveal the mystery watcher

Quest Complete-est Complete all levels in the game.

Heirlooms Collect all the serpent emblems.

Revealing the Unseen Complete "Revealing the Unseen"

No Sanctuary Complete Stronghold.

In Lockstep Bypass the delta-level security lock in Mako Reactor 5.

King of Cups Collect all the chalice rewards.

Pay Your Respects A moment of remembrance

Zip Zap Imp Splat Fry a dozen Imps with Lightning.

The Fallen Complete "The Fallen"

Glory of the Dead Complete "Glory of the Dead"

Tower Knight's Trophy Slayer of Demon "Tower Knight"

Say It with Flowers Decorate the Leaf House with a floral arrangement.

Hometown Complete a match on Hometown with at least 5 downs or executions

Morten Would Be Proud Collect all entries of the Book of Gallowmere.

Family, Not Friends Play a complete game with Dominus or Takumi

Summon Slayer Defeat a summon in battle.

Reunited Complete Chapter 8.

Healthiest Man Alive - Er Dead Collect every Life Bottle.

The Eye of Magnus Complete "The Eye of Magnus"

That Motor can Move Reached 50mph while driving the Bolt Ace

With Friends Like These… Join the Dark Brotherhood

The Answer Is Chicken Throw 42 chicken legs.

Almost A Hero Give the Knights of Gallowmere everything you have.

Dragonslayer Complete "Dragonslayer"

Connection Ride the Great White Shark.

Stunt Rider Performed a wheelie for 3 seconds

Resource Manager Complete the game without opening the Item Box more than 3 times.

Objects In The Mirror Complete Park Shutdown

Sir Moneybags Collect 10,000 gold coins.

Leave It to the Pro Complete the entire game on Professional.

Dragon Hunter Absorb 20 dragon souls

Mercenary Complete 50 Misc. Objectives

A Forte for Achievement Reach Level 40

Savvy Spender Spend all Talent Points
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Married Get married

Never the Bride Complete Chapter 9.

Snappy Dresser Obtain three bridal candidate outfits.

Ghosts and Stuff Complete all secondary content.

Deathly Smorgasbord Die 7 different ways.

Sewer Survivor Complete Chapter 10.

…They're Action Figures Collect 20 Vault-Tec Bobbleheads