Dead Island 2 has 57 achievements worth 1300 gamerscore

Making Your Mark 0 Complete 10 non-Story Quests.	10
Rising Star 0 Complete 20 non-Story Quests.	40
LA Influential 0 Complete 40 non-Story Quests.	100
Ooh, Shiny! 0 Find your first Legendary Weapon.	10
Zombologist 0 Unlock every zombie type in the Zompedia.	10
On Safari 0 Complete the first tier of every Zombie Challenge.	50
Variety is the Spice of Death 0 Complete the first tier of every Weapon Challenge.	50
Zombicidal Maniac 0 Complete the first tier of every Combat Challenge.	50
Survival Skills 0 Complete the first tier of every Survivor Challenge.	50
Smorgasbord 0 Complete the first tier of every Exploration Challenge.	50
Sharpest Tool in the Box 0 Complete 5 Lost and Found Weapon Quests.	50
Sole Survivor 0 Complete 9 Lost and Found Missing Person Quests.	50
Jumbo Keyring 0 Unlock 10 Lockboxes.	20
Bookworm 0 Collect 50 Journals.	20
Stacking the Deck 0 Collect 30 Skill Cards.	10
Max Headroom 0 Reach level 30.	50
Anger Management 0 Slay 50 zombies with Fury Attacks.	10
This is My Weapon 0 Fully upgrade a Superior weapon and customize it with a mod or perk in every slot.	10
Hazardous Materials 0 Slay 100 Zombies using Caustic, Fire, or Shock damage.	10
Break a Leg 0 Maim 100 limbs.	10
Slayer Squad 0 Complete any 5 quests in co-op.	10
I Am the Resurrection 0 Revive other Slayers 5 times.	10
Coup de Grâce 0 Slay 25 zombies using finishing moves.	10
Perks of the Job 0 Complete 5 Blueprint Challenges.	10
Donk! 0 Throw a melee weapon and hit a zombie 35+ meters away.	10
Apex Predator 0 Knock down 10 Apex Variants.	10
I Got a Zombie Army and You Can't Harm Me 0 Perform 25 perfect defensive moves.	10

Secret Achievements

Welcome To Hell-A 0 Survive a plane crash, get bitten, and create your first Zombie-Free Zone.	10
Hotel California 0 Fight through the Halperin Hotel to make contact with the authorities.	10
Personal Assistant Personally Assisted 0 Track down Michael and rescue him from the Terror at Monarch Studios.	10
Git Gutte! 0 Join forces with Sam B and get your hands on some firepower.	10
Friends Like These 0 Encounter a mysterious... benefactor? Well, that's what she'd call herself, anyway.	10
Dr. Reed, I Presume? 0 Survive the many perils of Venice Beach and meet Dr. Reed at the Serling Hotel.	10
But Doctor, I am Butcho 0 Slay a killer clown and get your blood sample back to Dr. Reed.	10
Can't Handle the Truth 0 Learn the truth about what you are as dark secrets are revealed.	10
Like Riding a Bike 0 Find Patton and convince him to fly you out of Hell-A.	10
A Patton Emerges 0 Survive the Metro system and get to Hollywood Boulevard.	10
Our True Nature 0 Give up your chance to be human again.	100
Go, Bobcats! 0 Reunite all the VCLA Bobcats.	10
Make it So 0 Help Sarah and Sebastian light a beacon of hope.	10
Gore Horse 0 Help an artist to complete their greatest (and grisliest) piece of art.	10
Internet Famous 0 Complete Amanda's Clickbait quests. You won't believe what happens next!	10
Humanity Distilled 0 Equip your first Numen Skill Card.	10
Down with the Sickness 0 Reach the highest tier of Autophage infection by equipping Autophage Skills.	10
Not Even My Final Form 0 Slay a Mutator before it transforms.	10

Dead Island 2 - HAUS

There are 6 achievements with a total of 150 points.

This is Deeper 0 Send 15 zombies to their doom in the bottomless pits.	10
Zombie Predator 0 Get 5 headshots with the crossbow in quick succession.	10

Secret Achievements

Brink of Success 0 Complete the Story DLC.	60
Pork Chops 0 Defeat Long Piglet.	30
Dark Magic 0 Complete the 3 rituals in the Haus.	10
Gardening Tools 0 Maim 10 zombies with gardening equipment in tall grass in the cul-de-sac.	30

Dead Island 2 - SoLA

There are 6 achievements with a total of 150 points.

The Direct Approach 0 Ram into 5 zombies in a single charge	10
Rip 'n' Tear 0 Slay 5 zombies with a supercharged Ripper, and bisect 5 more with a Sawblade Launcher	30

Secret Achievements

Drop The Beat 0 Defeat The Dirge and silence the Beat	60
No Encores 0 Help calm Grace by suppressing the Beat	30
Three's a Crowd 0 Survive your first Clotter encounter	10
Festival Clean Up Simulator 0 Clean up the large Caustic-X spillage in Utopia	10