Complete each achievement to get the allotted gamerscore.

Unlockables

Big City (5) Score a City with 3+ tiles in Single Player

Farm Boy (10) Score a Farm supplying 4+ Cities in Single Player

King For A Day (15) Win 1 Ranked game
King of the Road (5) Score a road with 5+ tiles in Single Player

Lord of Carcassonne (25) Beat an opponent in a Player Match by 50+ points

Metropolis (25) Score a City with 9+ tiles in a Player Match vs. 2 or more opponents
Mirror Monk (25) Score 2 adjacent Monasteries in Single Player

Rack up the Points (10) Score 50+ points in Single Player

The Count of Carcassonne (20) Score 150+ points in a Single Player game
Top of the Heap (20) Win a Player Match against 3 or more opponents
Top Score (15) Score a total of 2000+ points from all your Carcassonne games combined

Ultimate Score (25) Score a total of 5000+ points from all your Carcassonne games combined