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Is That A Knife Defeat the Steel Soldier using only your knife.

Timing is Everything Kill the final 3 Ancestors within 10 seconds of killing the first Ancestor in Regular or Hardcore difficulty.

Perfected Get 100 Eliminations while having an active Combat Hybrid Perk in Multiplayer

Calling For Backup Call in 50 Scorestreaks in Multiplayer

Snake Bite Shut down the Hennessey Venom GT Spyder (Single Player)

Beakers We Can Complete "Muppet Labs!" using no more than 40 Beakers

Always Hard Kill the final Ancestor with a relic active in Hardcore difficulty.

Tree Hugger Survive Trees Deadly Descent without equipping armor (in World Tour)

One Gun at a Time Staff the Engineering Department with 80 engineers.

Better Safe Than Sorry Dished out significantly more damage than the opponent's remaining HP.

Endurance Series Complete Complete the Endurance series of Race Events.

Team SSX Unlock every member of Team SSX through World Tour (or purchase in Explore or Global Events)

Pilot's License Complete Warhawk Combat Training.

Baron Bashing Defeat Commander Byron Baron once.

Up, Up and Away Launch a Nuke

The Volunteer Make contact with the Ethereal hive mind.

Oppenheimer Staff the Research Labs with 80 scientists.

There's someone in my house eating my birthday cake Keep your house undamaged for 5 minutes in Commando mode

Paradox Catch something you threw

Meticulous Collector Acquire all items available in hard time attack

ATV Win 5 Festival races using an ATV

Wander and the Colossus Acquired all Trophies

Battle of Chibi Cleared the stage, "Battle of Chibi."

Don't You Die On Me Revive a teammate in Co-Op Campaign or Endgame

My Kung Fu Is Strong Gain Mastery of 1 Fighter

Gaia Eat every level complete egg.

Finger on the Button Defeated an opponent while using the Stylish Layout.

It's a Legitimate Strategy Get 3 Kills while defending an Objective Zone without leaving it

Beauty Complete any campaign without being hurt.

Humanity's Savior Beat the game on any difficulty.

Standing Ovation! Ace all 5 Muppet Story Levels

Frontline Offensive Win 25 Multiplayer Matches

Stick It To The Man Destroy the boss in Just Desserts

We Didn't Need a Bigger Boat Complete Escalation and Disruption in Co-Op Campaign

Path To Success Use the Motion Recorder to record your movements

Who Needs Boost Earn a Bronze Medal on a Race Event in Explore without using any boost

Cleared Tairon Under Alert Completed Chapter 10.

Destroyer Get 1000 Eliminations in Multiplayer

Heart of Darkness Complete Inside and Distortion in Co-Op Campaign

Slaughterhouse Kill 50,000 total Enemies in MWZ

One Against All Kill Orcus while in a 6 person squad in MWZ

Cold Hearted Complete No Negotiation without saving any hostages.

Ladder Master Complete Arcade Ladder on max difficulty without using a continue

Baby Steps Complete your first run

Truly Human Defeat Sundowner without taking any damage on Hard difficulty or above.

Velocity: Terminal 5 Drive all 5 Terminal Velocity Pack cars (Single Player)

Astrophysicist Complete all the Cross-Controller Pack Tutorials

Monster Truck Win 5 Festival races using a Monster Truck

Locksmith Unlock all the LittleBigPlanet™2: Move Pack minigames

League Of Friends Play any level in the DC Comics™ Premium Level Pack with one or more friends.