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