Here is the full list of all 33 Ancient Warfare 3 achievements.
Create and start your first battle in the custom battle editor
Win a round of conquest
Win 10 rounds of conquest
Win a round of king of the hill
Win 10 rounds of king of the hill
Survive 10 minutes in 'Zombie Survival'
Survive 20 minutes in 'Zombie Survival'
Reach round 5 in the gladiator arena with difficulty set to hard or extreme
Reach round 10 in the gladiator arena with difficulty set to hard or extreme
Reach round 15 in the gladiator arena with difficulty set to hard or extreme
Win 5 random battles
Publish a map on the Steam Workshop
Publish a custom unit on the Steam Workshop
Play a workshop map from another person
Publish 10 maps on the Steam Workshop
Publish 25 maps on the Steam Workshop
Die 100 times
Kill 100 enemies
Kill 250 enemies
Kill 1000 enemies
Kill 10000 enemies
Kill 10 enemies in a single game
Kill 30 enemies in a single game
Kill 50 enemies in a single game
Play 20 battles from the Steam Workshop
Play 50 battles from the Steam Workshop
Finish 50 battles
Finish 100 battles
Finish 250 battles
Kill 10 teammates in a single battle
Destroy 10 objects with weapons or grenades
Kill 25 horses in a single game
Destroy 50 objects with weapons or grenades