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