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