Shadenstrike

Lateral Thinker Unlock all caches watched over by ancient statues.

Nemesis Completionist Complete every challenge and the final Ancestor encounter in Regular or Hardcore difficulty.

Chain of Death Multi-kill -- Detonate a chain of 5 consecutive Vengeance Launcher rounds, killing 10 enemies.

Flawless Penance After the first fight, defeat any boss without receiving damage.

A Run through the Bushes Complete the area where Mark died in "The Forest" in under 1:45 minutes.

Seeker of Wisdom Fully upgrade all of Aarbron's combat skills.

I Am The Night Finish I Am The Night Mode

Zekky Style Kill 15 soldiers from behind with the Zek (public match)

Parallels Have a score of exactly 1,940 points

Unconventional Warfare Use your own empty plane to neutralise an airfield

Down at the Half Elude your pursuers

Hot Lunch Special Kill 25 soldiers with the Revert puke (public match)

Day 14: The Storm Complete Stan's fourteenth day underwater

Carbon Cat vs Iron Maus Defeated Carbon Cat as Iron Maus

Tiger Tamer Drive through all AR tiger images in the Solino Underground's challenges

Keep slaughtering your way to the top! Used whatever means available to beat 510 regular enemies

Take Back The Knight Kill Lord Von Prong

Over There Break 25 Bottles

The End? Complete Act III in MWZ

Archenemy Kill your Nemesis 10 times

Part Five Started Part Five

50 down, I don't know how many to go Complete 50 feats

You are recognized as Rank 6 on the UAA Ranking. Defeated Rank 6: "Holly Summers"

You are recognized as Rank 5 on the UAA Ranking. Defeated Rank 5: "Letz Shake"?

Underground Subway Discover all 30 Teleporting Outhouses

Culinary Delight In Terminus, consume a fish cooked with a special ingredient

Not Bitter Got To The Heart Of The Problem

One ticket, please Win a Quick Race on a track in the Looney Tunes Adventure Park (not unlockable in Split Screen).

Temple Terror Complete "Fugu Fountain".

And Hell's Coming With Me Successfully assault an Overseer UFO.

Man In The Hole Complete 6 Spelunker Quests

Patient Citizen Waited Patiently To See Carla

Trophy Fisher Became A Prize Chum

Bursting the Bubble Take down 20 Outsider Shields using laser-based guns within a single campaign

Extermination Destroy all 3 Queen Greems

Dental Samaritan Gave Stan His Toothbrush

Surfrider: Leave No Trace Pick up 10 empty oxygen sticks

Heave Ho, Me Hearties! Have Stan sing a sea shanty aboard Moon

Untouchable Achieve platinum rank on any level.

Solino Grand Prix Earn an S Rank in every course in the Solino Underground

Trial of the Emperor Defeat 20 foes promoted by Walk Softly.

Intimidating Get a Heavy SWAT to give up.

24 carats Gold challenger Get 115 Gold Medals on Alps Public Challenges

Weapons Expert Use every weapon and utility in the game.

Aesthetics of the Lamb Upgrade the Temple.

Godless Intrusion Venture into the Silverlight area.

Missing Shipment Deliver the missing shipment to the rig.

Still Lurking In The Darkest Shore, find and shoot Dr. Straub.

A Collision of Souls Knock yourself out in the battle for the Titan Soul

NAVDML Complete Mefitis on Veteran difficulty with a custom ship, with every ability set to zero