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