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