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