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