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