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.
Bring the Hunter down to 1 healthpoint in melee combat.
Defeat a heavy enemy without getting hit.
Find the secret easter egg.
Capture 30 fireballs with the torch.
Land 50 deflect kicks.
Annoy the man behind the door.
Complete Tower Challenge Number -2.
Kill 50% of the harmless animals in the game.
Complete Tower Challenge Number -1.
Input the Malstrum's Mansion secret code.
Complete Tower Challenge Number 5.
Complete Tower Challenge Number 4.
Complete Tower Challenge Number 3.
Complete Tower Challenge Number 2.
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.