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