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