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