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