Smuddy

OMGWTFBBQ Get 100 kills with the Flamethrower.

Untouchable Replay 5 different levels without taking any damage

Learn to Fly Take flight with some old friends

Breaking the Limit Land a Rush Assassinate that chains 4 times with the Pride of the Lion.

Master Builder Complete at least one of every type of structure (including signs, ladders, and climbing anchors.)
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Brought to Heel Defeat Helm Hammerhand.

Catch Me If You Can! Earn 5 Relics.

UFO Xing Discovered the Secret Exit in Road Crash.

Benefactor Give up 1000 dosh during a multiplayer match

Goddess of Wisdom Complete Athena's Questline.

Rain of Arrows Kill 10 enemies using the Rapid Fire ability.

Perfectionist Upgrade a skill to its highest level.

Jailbreak Recover interrogation data from the American History Museum.

Clean Sweep GTA Online: Finish a Gang Attack without dying and kill at least 10 enemies.

Boom Shakalaka! Defeat 5 enemies with Coco's Double Leg Drop.

Knoxx-Trap Killed General Knoxx-trap

Follower Perks Use a Training Order to give a Follower a gang.

Ned-Trap Killed Dr. Ned-trap

Steele-Trap Killed Commandant Steele-trap

Cortex's Crazed Contest Earn the Key in Sunset Vista.

360 No Scope While airborne, spun 360 degrees then got a kill with a Sniper Rifle without using the scope.

Die Volter Kill Dr. Hans Volter for the first time

Light my fire Set 10 zombies on fire simultaneously.

Keep foyer combat master Achieve gold medal for this challenge map

Fall Throttle Reach terminal velocity

Learn to walk Purchase Faith's second upgrade

Muerte la robo-lución Killed the Interplanetary Ninja Assassin Claptrap

Crash Site Return to the crashed ship

Fall and Rise Complete all Brûz quests.

Run Like The Wind GTA Online: Survive with a Bounty on your head.

Auld Lang Syne Completed the Main Campaign on 1999 Mode.

In the Pipe, Five by Five Reach the Hangar flight deck

Derp Jump Down from 50 Meters

Scavenger Hunt Completed the Main Campaign in 1999 Mode without purchasing anything from a Dollar Bill machine.

Oh, no you don't Kill a Ram using tackle skill.

A World Without Christmas Complete the holiday text adventure.

Multi-Master Achieve all the level goals for 10 different levels.
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Left Yourself Open Defeat a total of 10 Visitors by exposing their cores with Exposure Talismans and ripping them out.
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Freeze, Scumbag Defeat a total of 10 Visitors with Quick Purge while they are held by a Stun Talisman.
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God of the Forge Complete Hephaistos's Questline.

Return to Form Help a player vanquish a boss

Potato Masher Save 5 allies by throwing away a live enemy grenade.

For Love of Persia Kill all the Ancients in the Order of Dominion in Messenia

The Stuff of Legend Equip a full Legendary Gear set as Talion.

Fighter Fully improve the Aggressive skills

Don't Look Back Use the Thermal, Burnout, or Nitrous Rocket Boost for a total of 10 minutes

Grand Opening Purchase something from Baku the Voiceless in New Game+.

Cortex N. Adequate Defeat N. Cortex.

Kingmaker Acquire the Sword of Kings

The Witness Witness a hologram