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