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.
Kill 50% of the harmless animals in the game.
Complete Tower Challenge Number 5.
Complete Tower Challenge Number -3.
Complete Tower Challenge Number 4.
Complete Tower Challenge Number 3.
Complete Tower Challenge Number -2.
Complete Tower Challenge Number 2.
Complete Tower Challenge Number -1.
Throw an enemy into another.
Complete Tower Challenge Number 1.
Find the secret easter egg.
Annoy the man behind the door.
Complete the game.
Bring the Hunter down to 1 healthpoint in melee combat.
Defeat a heavy enemy without getting hit.
Shoot 21 Mucalosaurus Worshippers from the boat.
Ignite all pyres.
Capture 30 fireballs with the torch.
Learn all advanced combat techniques.
Input the Malstrum's Mansion secret code.