Here is the full list of all 22 Zeno Clash achievements.
Input the Malstrum's Mansion secret code.
Beat the game without using weapons unless it is absolutely necessary.
Bring the Hunter down to 1 healthpoint in melee combat.
Annoy the man behind the door.
Complete Tower Challenge Number 5.
Complete Tower Challenge Number 4.
Complete Tower Challenge Number -3.
Complete Tower Challenge Number -2.
Defeat a heavy enemy without getting hit.
Find the secret easter egg.
Complete Tower Challenge Number -1.
Complete Tower Challenge Number 3.
Complete Tower Challenge Number 2.
Complete Tower Challenge Number 1.
Land 50 deflect kicks.
Complete the game.
Throw an enemy into another.
Kill 50% of the harmless animals in the game.
Shoot 21 Mucalosaurus Worshippers from the boat.
Ignite all pyres.
Capture 30 fireballs with the torch.
Learn all advanced combat techniques.