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