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