Here is the full list of all 15 Kingdom-Heroes achievements.
Play the Tutorial for the first time.
Your first colony is about to rise!
Finish the Tutorial for the first time.
Win your first mach.
Loose your first match.
Defeat your first enemy.
Have at least 20 units in your colony.
Recruit your first archer.
Finish the first chapter of the campaign.
Loose a battle in the campaign.
Create your first map in the map editor.
Finish the second chapter of the campaign.
Defeat the mercenaries.
Pillage some resources.
Trade some resources.