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