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