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.
Collect every Boatman Coin in the Boatman's Labyrinth.
Save the uncorrupted angels in Bastion's Fall
Defeat less than 5 hounds before killing the Houndmaster in The Horde.
Gather all the ingots in the Inferno Vault and take them to Hell's Forge.
Destroy all 4 Soul Caches in The Slag Pit.
Defeat Moloch Lord of Hell.
Face the Trickster himself Wicked Killington.
Destroy all 12 of Moloch's supply caches in War Machine.
Unlock every Trickster Door.
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.
Find all 5 of War's elemental enhancements.
Defeat Astarte Fallen Angel.
Defeat Belial Lord of Hell.
Collect 200 Boatman Coins.
Learn all 3 of War's Wrath abilities.
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.
Achieve a score of 70000 or higher in the arena.
Complete all 17 levels on Hard difficulty.
Complete all 17 levels on Apocalyptic difficulty.
Collect every type of creature core.
Defeat Moloch without taking damage.