Here is the full list of all 30 Darksiders Genesis achievements. It takes around 30-35 hours to unlock all of the achievements on Windows.
Defeat Moloch without taking damage.
Collect every Boatman Coin in the Boatman's Labyrinth.
Collect every type of creature core.
Achieve a score of 70000 or higher in the arena.
Defeat less than 5 hounds before killing the Houndmaster in The Horde.
Complete all 17 levels on Hard difficulty.
Complete all 17 levels on Apocalyptic difficulty.
Face the Trickster himself Wicked Killington.
Gather all the ingots in the Inferno Vault and take them to Hell's Forge.
Unlock every Trickster Door.
Defeat Moloch Lord of Hell.
Destroy all 12 of Moloch's supply caches in War Machine.
Destroy 10 structures in War Machine.
Collect 350 Boatman Coins.
Defeat Dagon Lord of Hell.
Defeat the grub queen in The Maelstrom.
Find all 5 of Strife's elemental ammo types.
Save the uncorrupted angels in Bastion's Fall
Find all 5 of War's elemental enhancements.
Defeat Astarte Fallen Angel.
Defeat Belial Lord of Hell.
Learn all 3 of War's Wrath abilities.
Collect 200 Boatman Coins.
Defeat the Dread Lord's subjects in Decay.
Defeat every snake in Decay.
Defeat Mammon Lord of Hell.
Learn all 3 of Strife's Wrath abilities.
Close the rift leaking void creatures in Icebind Cavern.
Collect 50 Boatman Coins.
Destroy all 4 Soul Caches in The Slag Pit.