polymathecian

To put it bluntly Kill 250 zombies using blunt melee weapons.

Tinkering Fully upgrade a Praetor Suit category.

End of Line Complete 40 Fixer Contracts

Momentum Shift Upgrade a Rune

Flawless Freeflow Fighter Complete one combat challenge without taking damage

Dangerous Minds Complete "Dangerous Minds"

Humanitarian Kill 50 human enemies.

Together Till the End Finished the game in Duo mode.

And Stay Down! Perform a ground execution.

Taking Independence Complete "Taking Independence"

How many days exactly? Play Dead Island - Definitive Edition at least 28 days after starting it for the first time.

Piggyback Invade and successfully observe 10 enemy Fixers in Online Tailing

Ranger Corps Discover 100 Locations

Need a hand? Join another player's game.

All Systems Go Complete Chapter 3 on any difficulty setting

Animal Control Kill 300 Creatures

Unstoppable Wanderer Reach Level 25

Huntress Kill 50 animals while wearing the Huntress outfit

Rip and Tear Glory Kill all common enemy types in the campaign.

Argent Overload Fully upgrade Health, Armor, or Ammo capacity

Brute Force Kill a Brute

Chemical Warfare Kill 5 enemies with one Poison Arrow

These Belong in A Museum Collect 300 Cards

Bob and Weave Counter an enemy's attack three times in row.

Thawed Free a total of 10 trapped Assassins.

What's Yours Is Mine Pick 50 Locks

Take Up Arms Join the Companions

Never Go It Alone Recruit 5 Separate Companions

An Old Friend Acquire the BFG

No Man's Land Complete all Rift missions.

A very special day Kill 250 zombies with modified weapons.

Words of Power Learn all three words of a shout

Merchant Collect 8 schematics

Avid Shopper Purchase all items from the supply shack

IPXSETUP.EXE Win a Multiplayer match

No raccoons in here Complete act 2.

Cannon Fodder Complete Chapter 4 on any difficulty setting

Specialist Earn the Mastery for a weapon mod

Citizen Buy a house

Busy, busy, busy Finish 75 quests cumulatively.

Key to the Past Croft Manor: Acquire the Master Key

Hackification Invade and successfully hack 10 enemy Fixers in Online Hacking

Choreography Perform 10 Co-op sync kills.

Normal Is Good Complete the entire game on Normal.

Relic Hunter Croft Manor: Collect 50% of the Relics in Croft Manor

Shoot it Until it Dies Defeat the Cyberdemon

Thorough Shopper Complete all Challenges for a single mission.

Meet the Crofts Croft Manor: Collect 50% of the Documents in Croft Manor

Masshole Kill 300 People

True Commitment Reach level 60 in multiplayer.