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