DaveGoose

No Turning Back Now Try to leave Silent Hill in the Observation Deck area.

Turning the Screw Get Spectacular or better in all Screwball Challenges

The Eye of Magnus Complete "The Eye of Magnus"

With Friends Like These… Join the Dark Brotherhood

Dragonslayer Complete "Dragonslayer"

Slaughterhouse 3 Complete all the Circles of Slaughter.
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Master Of All You Survey Discover all named locations.
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Bombs Away Complete the mission "Toil And Trouble".

Attack from all angles Knock down 15 enemies using the aerial kick.

Silent Skies Destroy both BTRs without using Predator Drones in 'Wolverines!'

Two Birds Kill both soldiers with one shot in 'Hometown'.

Hang Time Kill 3 Enemies while you are on a ladder.

30 Kills: Mk - NDI Defeat 30 enemies with the Mk - NDI.

Wall Hax Save Alpha 3-2 from being downed.

Cowboy Up Rodeo an enemy Titan in the Campaign

That Is the Evilest Thing… Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.

Armed to the Teeth Collect 49 Unique Weapons

One Really, Really Bad Day Complete One Really, Really Bad Day

Mercenary Complete 50 Misc. Objectives

Dragon Hunter Absorb 20 dragon souls

Disavowed Complete Black Ops on Hardened, Veteran, or Realistic.

Going steady Complete 25 quests while playing with at least one co-op partner.

Stay Cool Complete any Special Operation without exceeding 50% on the PG-240X's temperature meter

Hot Swap Get at least one kill with eight different weapons when completing 'Old Comrades'.

I want one of those Customize 25 weapons.

Screwballed Get Spectacular or better in all Screwball Challenges

Married Get married

Ghost Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.

Warheads on Foreheads Reach Barkov's lab entrance using only drone strikes.

Tunnel Rat Complete 'The Wolf's Den' tunnels using only the 1911.

70 Kills: M4 Defeat 70 enemies with the M4.

Good Effect on Target Kill an enemy with a direct hit from a smoke grenade.

That's Puzzling Unlock 15 Criptograma Chests

Knowing Is Half The Battle Complete the mission "Data Mining".

Death from Above Finish off 10 enemies in a row using only the Aerial Slash.

Cool Story, Bro Defeat Jack.

Dark Odyssey Participate in the sacrifice

Really? Collect Howard the Duck (Single Player)

Drive By Kill 20 enemies in a row while driving a vehicle.

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

Where's that Temple? Talk to Elika.

Standing Stones Find 13 Standing Stones

Delver Clear 50 dungeons

The Real Gun Game Complete any mission but 'S.S.D.D.' and 'Endgame' without reloading weapons or using melee attacks.

War Hero Capture Fort Sungard or Fort Greenwall

Astute Appraiser Sell a single treasure for at least 100000 ptas.

Prince of Tides Complete the Enemy Tides Challenge.

Do NOT push this button Ring the red bell in both rooms and survive the attack.

Dodged a Bullet Never get hit by the sniper while escaping captivity.

Completist Purchase every item in the upgrade menu.