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