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