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