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