Here is the full list of all 33 Age of Chivalry achievements.
Get 10 Headshots with the Bow in one game
Get 20 decapitations in one round
Push the bomb cart in Helms Deep.
Get 50 kills with the Longbow
Destroy the developer gravestones in Death Valley.
Kill 10 players with your hand axe.
Slay 1000 Agathians and 1000 Masons
Accumulate 1000 Kills.
Chop down the Tree in The Shore.
Kill 3 people while on the brink of death
Slay 25 with throwing knives.
Be mean to animals.
Torch 5 players to death in one round
Decapitate a peasant in The Shore.
Execute a prisoner in Dark Forest.
Push the cart on Dark Forest.
Decapitate an opponent that is on fire
Get the first kill in a round
Kill 5 enemies without dying
Headshot, Decap or Head Explodie the last person to kill you after dying.
Kill someone with an oilpot.
Get 200 Kills with the Longbow
Get 1000 kills with the Longbow
Get 200 kills with the Dagger
Slay 25 with throwing axes.
Kill 100 with your Warhammer.
Found the secret room!
Fire the Trebuchet in The Siege.
Decpitate 2 opponents with 1 swing
Get 500 kills with each class
Score 150 points or more on Sorrow
Get a Headshot with the Ballista
Hit an opponent with a Javelin from over 100 feet away