Here is the full list of all 58 Dead Island Definitive Edition achievements worth 1,000 gamerscore.
Reach level 50.
Loot 5 Exceptional Weapons.
Survive 15 consecutive waves with each of the 4 characters.
Survive 15 consecutive waves using the analog combat controls.
Kill 250 zombies using firearms.
Complete act 1 with 4 different characters.
Kill 100 enemies with Fury attacks.
Survive 10 consecutive waves using only custom weapons.
During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.
Survive 30 consecutive waves with at least one co-op player.
Survive wave 30.
Heal yourself with a medkit 100 times.
Survive 5 waves using only your fists and legs.
Survive 5 waves in each of the 4 Arenas.
Play any Arena in co-op.
Kill 10 zombies in a row with headshots.
Play Dead Island - Definitive Edition at least 28 days after starting it for the first time.
Complete 5 quests with 3 co-op partners.
Play in a co-op team of 4 different playable characters.
Complete act 4.
Explore the entire island.
Set 5 enemies on fire and then kill them with explosives.
Complete act 3.
Kill an Infected with a grenade blast.
Kill a Butcher using an axe.
Find 120 collectibles.
Use a large medkit to heal an injury of 5% or less.
Customize 25 weapons.
Complete act 2.
Kill 250 zombies with modified weapons.
Kill 250 zombies using blunt melee weapons.
Use a hammer to kill a series of 15 zombies without taking damage.
Reach level 25.
Kill 50 human enemies.
Kill 250 zombies using edged melee weapons.
Sever 100 limbs.
Finish 75 quests cumulatively.
Find 60 collectibles.
Set 10 zombies on fire simultaneously.
Kill a Ram using tackle skill.
Complete act 1.
Kill 5 Infected in a row with a single blow.
Kill a Suicider with a grenade.
Create weapons to rival the gods of fire or thunder.
Drive a total distance of 10 kilometers.
Reach level 10.
Play with 10 different co-op partners for at least 15 minutes each.
Save 5 people besieged by zombies.
Complete 25 quests while playing with at least one co-op partner.
Travel a distance of 20 kilometers on foot.
Kill 50 zombies using a vehicle.
Kill a zombie with 10 different melee weapons.
Complete 5 quests in a single co-op game with the same partners.
Kill 25 zombies with your bare fists.
Kill 150 enemies using Analog Fighting controls.
Breach a locked door with the first blow.
Create a customized weapon.
Join another player's game.