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