Here is the full list of all 21 Catan Universe achievements.
Finish the tutorial of the base game.
Colonize all islands in the Seafarer scenario "The four islands".
Reach level 20.
Build 3 city walls in a game of Cities&Knights.
Win 5 games with the Cities&Knights expansion.
Move the pirate 5 times in a game of Seafarer.
Play the progress card 'Wedding' 10 times in your games.
Reach level 10.
Win a game, where you have both the Longest Road as well as the Largest Army.
Win a game without building a city.
Uncover 10 fog tiles in a game of Seafarer.
Reach level 5.
Add your first friend.
Change your looks with the avatar editor.
Build a road that is compromised of at least 12 sections (including ships).
Reach level 2.
Reach karma level 4.
Use your first ticket.
Create a guild or join one.
Win 5 games with the Seafarers expansion.
Finish the introductory game of 'The Duel'.