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