Play with 10 different co-op partners for at least 15 minutes each.
Breach a locked door with the first blow.
Find 60 collectibles.
Join another player's game.
Kill 250 zombies using firearms.
Finish 75 quests cumulatively.
Kill 50 human enemies.
Reach level 25.
Sever 100 limbs.
Kill 25 zombies with your bare fists.
Kill 250 zombies using blunt melee weapons.
Kill a Suicider with a grenade.
Create weapons to rival the gods of fire or thunder.
Kill 50 zombies using a vehicle.
Drive a total distance of 10 kilometers.
Create a customized weapon.
Complete 25 quests while playing with at least one co-op partner.
Travel a distance of 20 kilometers on foot.
Kill a zombie with 10 different melee weapons.
Reach level 10.
Complete 5 quests in a single co-op game with the same partners.
Collect all other trophies.
Kill 5 Infected in a row with a single blow.
Customize 25 weapons.
Kill an Infected with a grenade blast.
Loot 5 Exceptional Weapons.
Explore the entire island.
Kill a Butcher using an axe.
Use a hammer to kill a series of 15 zombies without taking damage.
Kill a Ram using tackle skill.
Heal yourself with a medkit 100 times.
Kill 150 enemies using Analog Fighting controls.
Complete act I with 4 different characters.
Reach level 50.
Find 120 collectibles.
Set 10 zombies on fire simultaneously.
Kill 100 enemies with Fury attacks.
Complete 5 quests with 3 co-op partners.
Play in a co-op team of 4 different playable characters.
Play any Arena in co-op.
Kill 10 zombies in a row with headshots.
Set 5 enemies on fire and then kill them with explosives.
Survive 5 waves using only your fists and legs.
Kill enemies of 6 different types during a single round.
Survive 5 waves in each of the 4 Arenas.
Survive 15 consecutive waves using the analog combat controls.
Survive 15 consecutive waves with each of the 4 characters.
Survive 10 consecutive waves using only custom weapons.
Survive 30 consecutive waves with at least one co-op player.
Survive wave 30.
Kill 250 zombies using edged melee weapons.
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