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