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