Muscle-Buster

30 Kills: M9 Kill 30 Enemies with the M9

30 Kills: Desert-5 Kill 30 Enemies with the Desert-5

30 Kills: G-MAL Kill 30 Enemies with the G-MAL

Fluent Reach max proficiency in any language

Relic Finder Find the Strange Relic

Master Ninja Kill 50 Enemies by Melee-Attacking from Behind

BURN THE PLACE Markus conducted a violent riot

Things Got Personal Finish off an enemy with the knife.

Charted! - Normal Finish the Game on Normal Without Changing the Difficulty

Good Samaritan Complete 3 Missions

Intermediate Fortune Hunter Find 40 Treasures

A GLIMPSE OF JERICHO Connor connected to Simon

Run-and-Gunner Kill 20 Enemies by Shooting from the Hip (without aiming)

Abandon All Hope Baba Yaga: Enter the Wicked Vale

Wrath of the Amazons Cleave a ship while having an all-women crew.

Self-Improvement Junkie Purchase all skills in a single category

30 Kills: Moss-12 Kill 30 Enemies with the Moss-12

Two Fully Upgraded Weapons The player has fully upgraded two weapons

Inconceivable! Complete all challenges.

Charted! - Hard Finish the Game on Hard Without Changing the Difficulty

Bare-knuckle Expert Defeat 10 Enemies in a row with Hand-to-Hand Combat

Steel Fist Expert Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire

Open Your Eyes Use psychostimulants.

A Moment of Clarity Baba Yaga: Face the Witch and Live

Level One Demon Buy your first Upgrade from the Upgrade Store

50 Kills: SAS-12 Kill 50 Enemies with the SAS-12

Survivor Kill 75 Enemies in a Row Without Dying

Three Fully Upgraded Weapons The player has fully upgraded three weapons

Up a Short Creek Without a Paddle Beat 'Chapter 12 - Heading Upriver' in less than 5 minutes

Hitting it Off Play 3 quests with a friend (Campaign only).

ARCADE Player Reach level 20 in the Arcade (Arcade only).

Stink Eye Recover the Cyclops's eye from a goat on Kephallonia.

You Ain't Gettin' Away Escape to the yard.

Opportunity Knocks Using rocks or cans, distract 15 enemies (Campaign only).

Godly Power Acquire a Tier 3 active Ability.

One Head Down… Defeat a full cluster of Cultists of Kosmos.

Run-and-Gunner Kill 20 Enemies by Shooting from the Hip (without aiming)

The Argonauts Fully crew the Adrestia with Legendary Lieutenants.

Going For Gold Complete the Olympic questline.

These Walls Can't Stop Me Beat 'Chapter 5 - The Fortress' in less than 10 minutes

Was That Really Necessary? Kill any animal with an explosive

Grenade Hangman Kill 10 Enemies with Grenades While Hanging

50 Kills: M32-Hammer Kill 50 Enemies with the M32-Hammer

Legend in the Making Complete Episode 7.

Fully Researched Gun Splicer The player has fully researched the Leadhead Splicer

Charted! - Normal Finish the Game on Normal Without Changing the Difficulty

Taking Back Athens Complete Episode 8.

JUST A MACHINE Hank killed Connor

Odyssey's End Complete Episode 9 + Epilogue.

In the Bag Increase your item slots.