Full list of all 64 Darksiders III achievements worth 1,550 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 14 achievements worth 550 Gamerscore.
Unlock Everything
Defeat 666 Enemies While in Havoc Form
Complete the Game on APOCALYPTIC
Collect 3 Chunks of Adamantine
Collect 1,000,000 Souls
Complete the Game on NORMAL
Complete the Game on Any Difficulty Setting
Defeat the Final Sin
Upgrade 5 Enhancements to Balanced
Defeat Pride
Defeat Wrath
Spend 50 Attribute Points
Save 20 Humans
Receive the Lord of the Hollows' Final Gift
Meet Abraxis
Collect 30 Pieces of Adamantine
Upgrade Nephilim's Respite Capacity 4 Times
Collect 50 Angelic Artifacts
Collect 50 Demonic Artifacts
Upgrade Any Weapon to Max level
Collect the Stasis Hollow
Defeat Gluttony
Save 15 Humans
Pickup 500 Item Drops
Collect 30 Fragments of Adamantine
Upgrade an Enhancement to Balanced
Defeat the Kraken
Collect the Force Hollow
Kill Lust Without Defeating Usiel
Defeat Lust
Save 10 Humans
Collect Salvation
Upgrade Nephilim's Respite Healing Amount 4 Times
Spend 25 Attribute Points
Defeat Sloth
Collect 100,000 Souls
Save 5 Humans
Collect 30 Slivers of Adamantine
Kill 666 Enemies
Collect the Storm Hollow
Defeat Avarice
Collect an Essence of a Chosen
Upgrade Nephilim's Respite Capacity
Upgrade an Enhancement
Upgrade Any Weapon
Collect the Flame Hollow
Upgrade Nephilim's Respite Healing Amount
Save a Human
Spend an Attribute Point
Defeat Envy
Defeat Gor
Defeat Sherhaal
Defeat Rastion
Defeat Urul
Defeat Wicked K
Meet Targon
Complete the game on Armageddon mode
Reach level 100
Upgrade Any Armor
Defeat Void Defender Construct
Finish Flame Wing
Finish Storm Wing
Finish Force Wing
Finish Stasis Wing