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Sneaking Around Get through the aircraft carrier's bridge area without being noticed.

The Horror Face the horrors of war.

Exploring pays of Find the second secret area

LOKI Commandeer the enemy space station. (Complete "Loki" on any difficulty.)

The Wheat from the Chaff Complete "Captured."

Weapons Master Use all the weapons in the game and kill ten enemies with each of them.

Cleaner You fought 5 enemies at once and none of them survived

Mystery Stalker Reveal the mystery watcher

The Ghost Killer Confront Rorke (Complete "The Ghost Killer" on any difficulty.)

All That Glitters Gold-medaled EVERY challenge.

Pay Your Respects A moment of remembrance

That's My Jam Find 15 USB Sticks

Recrooster Find all Roosters

It's all Relative Collected every trophy. Congratulations!

Your first gem Smash the first gem.

Carbon Faceprint Catch Photocopier with your face

Aye Aye, Captain! Finish Black Peter case.

Battle Hardened Max out all weapons and unlock all combat moves

Intermediate Explorer Complete 25 levels

Go Ugly Early A-10 strafe 50 enemies

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

Back in My Day Complete the entire game on Veteran.

Ad Victoriam Complete "Ad Victoriam"

Underground Undercover Complete "Underground Undercover"

Connection Ride the Great White Shark.

Heirlooms Collect all the serpent emblems.

Watch the waves Find the second missing piece

A New Era Complete the campaign on any difficulty.

Rain Reach the place where it rains.

Ring the Bell (Quelaag's Domain) Ring Bell of Awakening in Quelaag's domain.

Rockets' Red Glare Complete "Rockets' Red Glare"

Lucky 7s Attain a Grimoire score of 777.

Prince of Tides Complete the Enemy Tides Challenge.

Brave the Elements Complete a match on wasted land, under the sea, and in outer space

Trained Explorer Complete 30 levels

Completist Purchase every item in the upgrade menu.

Re-Buttal You interrupted 5 channel attacks by using a fart.

Eviscerator Kill 30 enemies with the Line Gun

Some will survive... Save Karl

Bragging Rights Beat another player's score in a Challenge.

Preventive Diplomacy Kill an enemy just as they are throwing a grenade. (campaign only)

Armed to the Teeth Collect 49 Unique Weapons

Brag Rags Earn 1 star in Special Ops Mission Mode.

I want one of those Customize 25 weapons.

... Some will not Finish the game

Another hidden place?! Find the third secret area

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

Advanced Explorer Complete 35 levels

The Diary of a Maid Completed “The Diary of a Maid.”

Damn Close Kill an Edged Weapon Expert while he is up to 5 meters away. (campaign only)