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