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