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