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 100 enemies with Fury attacks.
Complete act 4.
Heal yourself with a medkit 100 times.
Complete act 3.
Loot 25 Exceptional Weapons.
Kill 50 human enemies.
Save 5 people besieged by zombies.
Find 120 collectibles.
Customize 25 weapons
Kill 250 zombies using blunt melee weapons.
Play Dead Island at least 28 days after starting it for the first time.
Kill 25 zombies with your bare fists.
Finish 75 quests cumulatively.
Reach level 25.
Find 60 collectibles.
Kill a zombie with 10 different melee weapons.
Complete act 2.
Drive a total distance of 10 kilometers.
Kill 250 zombies using edged melee weapons.
Kill 250 zombies with modified weapons.
Join another player's game.
Sever 100 limbs.
Create weapons to rival the gods of fire or thunder.
Travel a distance of 20 kilometers on foot.
Complete act 1.
Kill 50 zombies using a vehicle.
Complete 25 quests while playing with at least one co-op partner.
Reach level 10.
Create a customized weapon.
Complete 5 quests in a single co-op game with the same partners.
Breach a locked door with the first blow.
Kill 5 Infected in a row with a single blow.
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 an Infected with a grenade blast.
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.
Play in a co-op team of 4 different playable characters.
Complete 5 quests with 3 co-op partners.
Kill a Suicider with a grenade.
Kill 150 enemies using Analog Fighting controls.
Kill a Ram using tackle skill.
Kill a Butcher using an axe