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