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For Whom the Shell Tolls Destroy all targets during the mortar sequence with only 4 shells in "Back on the Grid."

Good Night & Good Luck Survive your first night.

Fracture Jaw Complete Fracture Jaw in Campaign on any difficulty.

Perfect Knight 100% Complete

Deadly Specialist Get a Specialist-based medal that requires 3 or more rapid kills while using any Specialist Weapon.

Mitko Vasilev Defeat Diamond Block league boss Mitko Vasilev

Master of Collection Attain True Ninja Rank 20

Platinum Trophy Platinum Trophy

Fast Break Score at least 2 Dunks in the first minute of a Hoops game

Towering inferno Finish episode 7

The Best of the Best Complete the campaign on Hardened or Veteran difficulty.

The Collector Completed a crazy request for Tannis

Restricted Airspace EMP 10 enemy aircraft out of the sky with the hovertank in "Bio Lab."

Biter bit Remix Charles

Master of Modes Play each game mode in the Ninjago Battle Arenas

Script Kiddie Finish the game in Script Kiddie Mode

Final overload Destroy H3O

Spiritual Hunter Kill A Yeti (Valley Of The Yetis, Single Player Only).

What Goes Up... Destroy all the choppers with only the UGV's grenade launcher in "Persona Non Grata."

Video gamer Win all console games

Cosplay Unlock a costume in the Archives

Airspace Control Kill 10 enemies while they use zip lines or are rappelling. (campaign only)

Spider Sense Defeat Black Tiger.

Understanding Madness Complete Demon Within on Hardened, Veteran, or Realistic.

Deactivator Disable the bomb

Ruthless Make 50 total Shots on Goal using Merc, Grog, or Ripper

...Becomes the Master Place in the top 3 on the Gauntlet scoreboard

School of Hard Knocks Request Stiles to toss you grenades 15 times.

Kill Box Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."

Rise to the Top Complete Classic Battle with any character

Debugger Repair the brain

Payback Complete "Mind the Gap", "Goalpost", and "Return to Sender" on Veteran difficulty.

Escaper Escape Machinarium

Rescuer Rescue the girl

Holtzman Defeat Hazard Company league boss Holtzman

Out of bounds Pick up and throw 30 of Vex's minions to their doom.
0/30

Silverback In Black Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

Grave Digger Defeat a Crimson Head prototype1 using Jill.

Registered Voter Head to 'Arena Preferences' and use all of your votes

Master of the Awakened Kill 5 Yetis (Valley Of The Yetis, Single Player Only).

Streets Sweeper Unlocked after the player discovers all collectibles in Act I.

Backtracking Ride the crates

Apprentice of The Golden Art Collect 100 Gold Bricks

Not Waiting to Exhale Survive your first encounter with Yawn.

Master Builder Complete All Relay Station Upgrade Quests (Valley Of The Yetis, Single Player Only).

Way to Go Complete every level in Score Attack with a bronze score or better

Voyeur Spy on people whenever possible, and finish.

Join the Army they said Complete a mission.

Taking down giants Unlock all Codex Entries in Friends in High Places

Frozen in Time Kill 50 Necromorphs while they are in Stasis (single player only)