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