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