Here is the full list of all 57 Dead Island Definitive Edition achievements.
Play Dead Island - Definitive Edition at least 28 days after starting it for the first time.
Reach level 50.
During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.
Survive 15 consecutive waves with each of the 4 characters.
Loot 5 Exceptional Weapons.
Survive 15 consecutive waves using the analog combat controls.
Survive 30 consecutive waves with at least one co-op player.
Survive wave 30.
Heal yourself with a medkit 100 times.
Survive 5 waves in each of the 4 Arenas.
Kill 100 enemies with Fury attacks.
Customize 25 weapons.
Survive 10 consecutive waves using only custom weapons.
Kill a Suicider with a grenade.
Play any Arena in co-op.
Complete act 1 with 4 different characters.
Play in a co-op team of 4 different playable characters.
Complete 25 quests while playing with at least one co-op partner.
Play with 10 different co-op partners for at least 15 minutes each.
Use a hammer to kill a series of 15 zombies without taking damage.
Complete act 4.
Explore the entire island.
Kill 250 zombies using firearms.
Complete act 3.
Set 10 zombies on fire simultaneously.
Find 120 collectibles.
Kill an Infected with a grenade blast.
Set 5 enemies on fire and then kill them with explosives.
Kill a Butcher using an axe.
Kill 10 zombies in a row with headshots.
Use a large medkit to heal an injury of 5% or less.
Complete act 2.
Reach level 25.
Kill 50 human enemies.
Finish 75 quests cumulatively.
Complete 5 quests with 3 co-op partners.
Join another player's game.
Complete 5 quests in a single co-op game with the same partners.
Find 60 collectibles.
Drive a total distance of 10 kilometers.
Kill 250 zombies using edged melee weapons.
Sever 100 limbs.
Kill 250 zombies with modified weapons.
Survive 5 waves using only your fists and legs.
Travel a distance of 20 kilometers on foot.
Kill a Ram using tackle skill.
Complete act 1.
Kill 5 Infected in a row with a single blow.
Kill 50 zombies using a vehicle.
Create weapons to rival the gods of fire or thunder.
Kill 25 zombies with your bare fists.
Save 5 people besieged by zombies.
Kill 250 zombies using blunt melee weapons.
Reach level 10.
Create a customized weapon.
Kill a zombie with 10 different melee weapons.
Breach a locked door with the first blow.