Yoshidas13

First Blood Finish a round of Last Stand

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Smoke And Mirrors, But Without The Mirrors Use a Smoke Grenade to become hidden while at Critical Health.

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

GD Parkour Instructor Complete all Parkour Fever Challenges at night

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Greatest Tag-Team in History Defeat both Lightning Skeleton arenas in The Great Temple on Hard Mode, with 2 or more players (or as Javier Jaguar)

Centennial Acquire 100% of the Stars

Together Till the End Be the last man standing

Skilled Adversary In IX have a Challenge banner with all 9 medallions

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

You Got Mail Open up your inbox while advancing in Career

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Survival of the Fittest Survive 25 Multiplayer Survival Matches
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Electric Whisper Learn how to craft Electric Arrows

Things That Go Ka-Boom Learn how to craft Exploding Arrows

All Star Get 100 Stars in S.T.A.R. Lab Mode

Around and Around We Go Perform every level interaction once

First Mission Send a Scout on an Area Scouting mission.

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Fully Formed Have three players be in full form at the same time on your club in Career Mode

Sleuth Unlock all intel (videos and audio files)

Act 1 Cleaner Complete all Act 1 maps on Nightmare difficulty.

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Helpful Stranger Revive a player from a different Squad in MWZ

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Undiscovered Truths Find all the intel hidden in Nightfall.

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

A Cut Above Defeat an Impaler (Hell on Earth)

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

A Can Of Worms Play Trial of the Worm for the first time.

Act 2 Cleaner Complete all Act 2 maps on Nightmare difficulty.

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Reign Supreme Defeat a Queen Crawler (Hell on Earth)

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Act 4 Cleaner Complete Act 4 on Nightmare difficulty

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Chimerical Cure Defeat the Chimera (Hell on Earth)