Here is the full list of all 48 Dead Island achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Play with 10 different co-op partners for at least 15 minutes each.
Set 10 zombies on fire simultaneously.
Use a hammer to kill a series of 15 zombies without taking damage.
Kill 10 zombies in a row with headshots.
Kill 5 Infected in a row with a single blow.
Kill a Ram using tackle skill.
Complete act 1 with 4 different characters.
Kill 100 enemies with Fury attacks.
Play in a co-op team of 4 different playable characters.
Reach level 50
Kill 250 zombies using firearms.
Kill 150 enemies using Analog Fighting controls.
Use a large medkit to heal an injury of 5% or less.
Kill a Butcher using an axe
Complete 5 quests with 3 co-op partners.
Kill 25 zombies with your bare fists.
Explore the entire island.
Heal yourself with a medkit 100 times.
Loot 25 Exceptional Weapons.
Complete 25 quests while playing with at least one co-op partner.
Kill 250 zombies using blunt melee weapons.
Complete 5 quests in a single co-op game with the same partners.
Find 120 collectibles.
Kill an Infected with a grenade blast.
Complete act 4.
Complete act 3.
Finish 75 quests cumulatively.
Kill 250 zombies with modified weapons.
Complete act 2.
Kill 250 zombies using edged melee weapons.
Customize 25 weapons
Find 60 collectibles.
Kill 50 human enemies.
Reach level 25.
Sever 100 limbs.
Kill a Suicider with a grenade.
Create weapons to rival the gods of fire or thunder.
Travel a distance of 20 kilometers on foot.
Complete act 1.
Play Dead Island at least 28 days after starting it for the first time.
Create a customized weapon.
Save 5 people besieged by zombies.
Drive a total distance of 10 kilometers.
Breach a locked door with the first blow.
Kill a zombie with 10 different melee weapons.
Kill 50 zombies using a vehicle.
Join another player's game.
Reach level 10.