QuackersNcheese

Networking Reach a 5-heart friend level with 10 people.

Artisan Craft 30 different items.

Barrel of laughs Kill 20 enemies with barrels

A Prize Every Time Spend 5,000 Credits.

Double Trouble Complete The Pen and the Sword in Multiplayer.

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Invincible Get 99 or more extra lives.

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Vulnerable As the Predator, knock down a Fireteam member while your energy is overloaded

A Clean Bill of Health Have a single character affected by all status ailments (both beneficial and detrimental).

The Coin Bag Kill Isaac with Cain

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

I Challenge You to a Duel Complete a Medieval level using only Lou Don Jim

Disenchanted Use a Grindstone to get experience from an enchanted item.

Time's Teller Defeat the Unknown.

Free Admin Rescue Admin from his prison cell.

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

The Boss Beats A Boss Defeat a boss using only President of Sony Computer Entertainment Worldwide Studios Shuhei Yoshida

Thanatophobia WITHOUT using the Architect, complete the game dying 15 times or less

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

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Leader Of The Pack Wear the Ocelot Armour and complete any mission featuring Ocelots without killing any of them.

10 Items No less Enable a Tower Augmentation Item on 10 Towers.

Trampoline Bounce 30 blocks upward off a Slime Block.

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

Family Reunion Achieved a compromise between Olivia and Minnie.

He Talked Too Much Defeat Emerson Miller

Touch Down Land the plane 10 times without crashing (no auto land)

Friends With Benefits Had relations higher than 90 with all factions in the Modern Era

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

A Chance Encounter Completed Mission 07 in campaign mode.

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

Special P.E.T. Benefits Acquired Special Delivery, P.E.T., and Employee Benefits.

It's time for your medicine Kill all the Residents with an Overdose Syringe

Fully Loaded Maximize all upgrades.

Grate Hall Access the Oubliette

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Blood Rights Kill Satan with Samson

Donut Mess with a Cop Unlock Officer Dick.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Platinum strain You have it all!

Save the Poet Complete The Pen and the Sword in Single Player.

Wait... Wha...?! Kill a plane with an enemy plane

Tie Dye Outfit Dye all 4 unique pieces of Leather Armor.

Overwhelming Confidence Complete 25 successful Challenge runs.
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Don't burn yourself out Defeated the Keeper

Jump Roll to avoid lethal fall damage in the main game mode

Head Trauma Use every type of melee weapon on a zombie

Follow your blade Complete the game with the path of fury

Release the Kraken! Killed 20 enemies during the boat exfil in Rip Current