Kill 250 zombies using firearms.
Play with 10 different co-op partners for at least 15 minutes each.
Find 120 collectibles.
Survive 15 consecutive waves with each of the 4 characters.
Survive wave 30.
Survive 30 consecutive waves with at least one co-op player.
Survive 15 consecutive waves using the analog combat controls.
Play in a co-op team of 4 different playable characters.
Complete act IV.
Complete act III.
Heal yourself with a medkit 100 times.
Kill 250 zombies with modified weapons.
Use a large medkit to heal an injury of 5% or less.
Use a hammer to kill a series of 15 zombies without taking damage.
Survive 10 consecutive waves using only custom weapons.
Survive 5 waves in each of the 4 Arenas.
Play any Arena in co-op.
Kill 150 enemies using Analog Fighting controls.
Survive 5 waves using only your fists and legs.
Kill 100 enemies with Fury attacks.
Kill 250 zombies using blunt melee weapons.
Finish 75 quests cumulatively.
Find 60 collectibles.
Kill 250 zombies using edged melee weapons.
Save 5 people besieged by zombies.
Sever 100 limbs.
Reach level 25.
Kill a Butcher using an axe.
Kill 50 human enemies.
Complete act II.
Breach a locked door with the first blow.
Complete 25 quests while playing with at least one co-op partner.
Create weapons to rival the gods of fire or thunder.
Travel a distance of 20 kilometers on foot.
Kill a zombie with 10 different melee weapons.
Complete act I.
Drive a total distance of 10 kilometers.
Kill a Suicider with a grenade.
Reach level 10.
Customize 25 weapons.
Create a customized weapon.
Kill 50 zombies using a vehicle.
Kill 25 zombies with your bare fists.
Complete 5 quests in a single co-op game with the same partners.
Complete 5 quests with 3 co-op partners.
Join another player's game.
Kill 5 Infected in a row with a single blow.
Kill an Infected with a grenade blast.
Loot 5 Exceptional Weapons.
Explore the entire island.
Kill a Ram using tackle skill.
Complete act I with 4 different characters.
Play Dead Island at least 28 days after starting it for the first time.
Reach level 50.
Set 10 zombies on fire simultaneously.
Kill 10 zombies in a row with headshots.
Set 5 enemies on fire and then kill them with explosives.
Kill enemies of 6 different types during a single round.
