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Modern Fart Completed the mission "To Arms".

Team Play Kill an enemy with a headshot while they are being harassed by Senu (The Hidden Ones)

Prison Break Free 20 Rebels (The Hidden Ones)

Predator and Prey Kill all of the Ancients in the Order of the Hunters in Makedonia.

Dr Frankenstein Create a living creature with at least 2 eyes, 2 legs or wheels, and a brain

Behind the Scenes Activated all Commentary Nodes with the Developer Commentary Modifier enabled.

Crazed Climber Scale the dragon lair in under 90 seconds.

Just Beginning Complete all the main path story levels

The Greater Good Complete Main DLC Quest "The Greater Good" (The Hidden Ones)

Quarter Cruncher Unlock all 6 arcade machines.

Knock-off Knockout Kill an enemy Nanosuit soldier with a Strength punch

Seeing Red Kill 10 enemies using the Fury of the Bloodline Ability.

Lone Lion Kill the Makedonian lion.

Surgical Strikes Assasinate Tacito, Ptahmose and Ampelius (The Hidden Ones)

Walls of the Ruler Complete the Walls-of-the-Ruler citadel (The Hidden Ones)

New Recruits Complete Side DLC Quests "Rise of Shaqilat" and "Shadows of the Scarab" (The Hidden Ones)

Homerunner Completed the game in less than 1 minute with no Modifiers enabled. (From New Game in a single session only)

Blood of Leonidas Continue the bloodline.

Running Wild Complete at least one race at every Death Run Location

One Careful Owner Reach the end of 'Onslaught' in the tank you started with

Fire on Water Set 10 enemy ships on fire.

Stormculler Kill all of the Ancients in the Order of the Storm in Achaia.

Bittersweet Beginnings Secure your bloodline

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

Moxxi's Sampler Tried all the Moxxtails in the Up Over Bar in Concordia.

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

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

Memories Reminisce for three minutes before returning to the room.

What Time is It? Perform a leap of faith from Arsinoe's sundial obelisk between 10 am and noon (The Hidden Ones)

Prison docks combat master Achieve gold medal for this challenge map

Strength in Numbers Red Dead Online: Complete a Free Roam mission as part of a Posse with at least 2 members.

Catch This! Kill 10 enemies by throwing an object at them

Rocketeer Launched 4 rockets from Elpis.

Welcome to the Club Reach Sergeant (Level 10) in Multiplayer while playing online.

Zip it Off Perform 3 Assassinations from a zipline (The Hidden Ones)

Hero Tech Battle with a secret weapon.

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

Once More With Feeling Completed the mission "Return of Captain Chef".

Kingmaker Acquire the Sword of Kings

No More Rulers Kill all Overseers in Elysium.

Project Comet Craft an upgrade using Shards of a Star (The Curse of the Pharaohs)

Keep foyer combat master Achieve gold medal for this challenge map

Auld Lang Syne Completed the Main Campaign on 1999 Mode.

Karate Master Beat the Training Dummy

Gathering Strength Collect all the Keeper's Insights in Episode 1.

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

Do Shoot the Messenger Delivered Zarpedon's message.

In the Face of the Gods Remember who you are.

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

Parry to Carry Heal by parrying 10 times with the Judgment of the Lion.