All Smiles
Have at least 1000 citizens and an average happiness rating of 75%.
Uncommon43.9%last reported global rate
Steam
Cities: Skylines II Achievements
Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.
Total achievements44
Rarest rate0.400%
Ultra rare5
Last checkedSep 18, 2026
Delayed official data
Rates and award counts were last observed on Sep 18, 2026.
Royal Flush
Reach enough milestones to unlock all city services in a single city.
Common56.7%last reported global rate
Strength Through Diversity
Have buildings from all four zone types in a single city.
Common58.1%last reported global rate
My First City
Build city with residential, commercial and industrial zones, water, and electricity.
Common73.4%last reported global rate