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