Here is the full list of all 43 Darksiders achievements. It takes around 30-35 hours to unlock all of the achievements on Windows.
Defeat the game on APOCALYPTIC
Collect the maximum amount of lifestones
Collect the maximum amount of wrath cores
Max out all weapons and unlock all combat moves
Unlocked Everything
Defeat the game on NORMAL
Defeat The Destroyer
Complete the game on EASY
Collect All 27 Artifacts
Forge the Armageddon Blade
Search 150 chests
Kill 160 enemies while on the angelic beast
Collect all the Wrath Powers
Shed 3000 gallons of demon blood
Ride for 100 miles
Kill 150 Demons from horseback
Kill 150 enemies with items from the environment
Take out a helicopter with a car during the apocalypse
Collect the Abyssal Armor Set
Defeat Straga
Collect the Mask of Shadows
Defeat The Stygian
Defeat Silitha
Collect the Abyssal Chain
Collect the Voidwalker
Obtain Ruin
Meet Ulthane
Defeat The Griever
Defeating more Angels than Ulthane
Kill 10 enemies with one Blade Geyser wrath attack
Collect the Tremor Gauntlet
Collect Mercy
Collect the Chaos Form Ability
Kill 5 duskbats without touching the ground
Gain the Chronomancer Ability
Defeat Tiamat
Kill 666 Demons
Collect the Crossblade
Collect The Scythe
Gain the Shadowflight Ability
Free Samael from his prison
Collect the Earthcaller
Meet Vulgrim