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