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