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.
Kill an Infected with a grenade blast.
Kill 25 zombies with your bare fists.
Complete act 4.
Explore the entire island.
Complete act 3.
Kill 5 Infected in a row with a single blow.
Kill 10 zombies in a row with headshots.
Find 120 collectibles.
Kill a Butcher using an axe
Complete act 2.
Loot 25 Exceptional Weapons.
Finish 75 quests cumulatively.
Kill 250 zombies using firearms.
Play Dead Island at least 28 days after starting it for the first time.
Kill a Suicider with a grenade.
Find 60 collectibles.
Kill 100 enemies with Fury attacks.
Customize 25 weapons
Kill 50 human enemies.
Kill 250 zombies with modified weapons.
Kill 250 zombies using blunt melee weapons.
Reach level 25.
Kill 250 zombies using edged melee weapons.
Complete act 1.
Drive a total distance of 10 kilometers.
Create weapons to rival the gods of fire or thunder.
Complete 5 quests in a single co-op game with the same partners.
Save 5 people besieged by zombies.
Sever 100 limbs.
Travel a distance of 20 kilometers on foot.
Kill 50 zombies using a vehicle.
Kill a zombie with 10 different melee weapons.
Create a customized weapon.
Join another player's game.
Breach a locked door with the first blow.
Reach level 10.
Set 10 zombies on fire simultaneously.
Heal yourself with a medkit 100 times.
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.
Play in a co-op team of 4 different playable characters.
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.