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