Here is the full list of all 57 Dead Island Definitive Edition achievements.
Play Dead Island - Definitive Edition at least 28 days after starting it for the first time.
Find 60 collectibles.
Complete act 2.
Use a large medkit to heal an injury of 5% or less.
Reach level 25.
Kill 25 zombies with your bare fists.
Survive 5 waves in each of the 4 Arenas.
Set 5 enemies on fire and then kill them with explosives.
Kill 250 zombies with modified weapons.
Kill 250 zombies using edged melee weapons.
Sever 100 limbs.
Kill 250 zombies using blunt melee weapons.
Kill a Suicider with a grenade.
Kill an Infected with a grenade blast.
Heal yourself with a medkit 100 times.
Create weapons to rival the gods of fire or thunder.
Create a customized weapon.
Complete act 1.
Save 5 people besieged by zombies.
Complete 25 quests while playing with at least one co-op partner.
Set 10 zombies on fire simultaneously.
Travel a distance of 20 kilometers on foot.
Reach level 10.
Complete 5 quests in a single co-op game with the same partners.
Kill a zombie with 10 different melee weapons.
Play any Arena in co-op.
Join another player's game.
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.
Kill 50 human enemies.
Kill 10 zombies in a row with headshots.
Kill 250 zombies using firearms.
Kill 50 zombies using a vehicle.
Drive a total distance of 10 kilometers.
Explore the entire island.
Complete act 3.
Complete act 4.
Complete act 1 with 4 different characters.
Finish 75 quests cumulatively.
Reach level 50.
Breach a locked door with the first blow.
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.
Survive 5 waves using only your fists and legs.
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 10 consecutive waves using only custom weapons.
Survive 30 consecutive waves with at least one co-op player.
Survive wave 30.