Full list of all 27 Battle Cry of Freedom achievements.
The base game contains 7 achievements, and there are 2 DLC packs containing 20 achievements.
Play an Instrument
Build 5 props
Use the scene editor to make a map
Modify your troops starting weapons in the main menu
Modify your troop's gear
Heal a teammate
Kill someone by dropping a tree on him
Sit down on a Chair or Bench
Use a Gatling Gun
Surrender to the enemy
Play as Militia
Kill someone with a pistol at 75 meters or more
Kill someone with a rifle at 150 meters or more
Kill someone with a cannon ball at 300 meters or more
Kill someone with your fists
Kill someone by pushing them
Heal for 1000 hitpoints
Win 100 rounds/maps
Kill 100 enemies with cannon balls
Kill 100 enemies with a gun
Kill 100 enemies in melee
Play as a Modded Troop
Get 2000 kills in commander battle game modes
Kill 500 enemies
Revive 50 teammates
Kill 500 players from horseback
Kill 50 players by crushing them with your horse