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