The_Chromosoner

Trampoline Bounce 30 blocks upward off a Slime Block.

Helpful Stranger Revive a player from a different Squad in MWZ

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

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

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

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

Undiscovered Truths Find all the intel hidden in Nightfall.

None more hard Complete the Campaign on Nightmare difficulty.

Heroes of the Resistance Beat a Retaliation mission with 3 or less civilian deaths

Burgertown Escort Service Rescue 1 survivor in Infection.

Just Like Old Times Dispatch the professor with a shot to the groin.

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

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Frozen Fists Complete Frosted Fjord without having a melee or ranged weapon equipped at any time.

Grave and Growing Free a country.

Family Reunion Achieved a compromise between Olivia and Minnie.

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

Confidence Boost Win a Battlegrounds league Clan Match.

The Guillotine Kill Isaac with Judas

Come On And ... Slam 10 zombies at once in Outbreak.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

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

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

The Sound of One Hand Capping Complete ‘Got Your Back’ Operation with only a handgun.

Golden God You are the best!

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

It's a Dry Heat Kill 3 enemies with a single U4 Firebomb

Platinum Unlock all trophies.

Invisible Complete every chapter without being seen.

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

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

City Slicker Completed Bizarre Bazaar in 20 minutes on hard difficulty.

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).

Judas' Tongue Kill Satan with Judas

The third faction Rescue all the Buddies from their respective predicaments

Nice Save! Score a Nice Save on a teammate.
*Lounge and private parties excluded

Gotta Go Fast Escape within 10 minutes.

Distinguished Service Collect 50 Team Boosts.

Hot Pants Complete I Now Know Why You Cry

Tourist, Shivering Isles Entered the Shivering Isles

Honorary Member Reach Isle of Sgàil Mastery Level 20.

The Coin Bag Kill Isaac with Cain

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

Dry Spell Dry a Sponge in a Furnace.

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

Ladies Night Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.

Collecting Evidence Roll the camera over 20 degrees in Photo Mode

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

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