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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.

Alternative Fuel Use a Dried Kelp block as fuel in a furnace.

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

Objective Driven Complete a total of 30 objectives across all matches

Double Trouble Complete The Pen and the Sword in Multiplayer.

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

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

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

Boom Kill 50 enemies with explosives or abilities.

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

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

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

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

Burgertown Escort Service Rescue 1 survivor in Infection.

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

Trampoline Bounce 30 blocks upward off a Slime Block.

Appease the Volcano Gods An NPC is destined to die in a trial by fire.

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

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

Handyman of Hudie Reached Yet Another Side Chapter 02.

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

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

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

A star rises Earn 250 Stars

Prime Directive Shatter Skeletron Prime.

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

Bloody Millionaire Accumulate a total of 1 million blood points. (blood points can be spent before reaching the total)
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Grate Hall Access the Oubliette

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

Keeper's Best Friend Prevent a goal with a sliding goal line clearance

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

Head Trauma Use every type of melee weapon on a zombie

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

Overwhelming Confidence Complete 25 successful Challenge runs.
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Real Estate Agent Have all possible town NPCs living in your world.

Don't burn yourself out Defeated the Keeper

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

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

A Cut Above Defeat an Impaler (Hell on Earth)

Throwable Collector Collect all throwables.
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Frozen Fists Complete Frosted Fjord without having a melee or ranged weapon equipped at any time.

Tailor-made Chose a perfectly fitting armor

Merciless Kill 50 crawling demons in campaign mode

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

You Can Pet The Dog Pet a Hellhound in MWZ

Shadow Warrior Complete the game on normal or higher difficulty setting

Head Hunter Defeat Xing on normal or higher difficulty setting

Helpful Heart Successfully revived a fellow hunter online for the first time

Multikill! Kill 15 enemies simultaneously.