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