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