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