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