Here is the full list of all 27 Cities XXL achievements.
Reach 10 000 000 citizens.
Own 5 000 buildings in your town (requires a positive balance).
Environment satisfaction is higher than 70% for 1 000 000 citizens. (requires a positive balance).
The unemployment rate is below 1% for 1 000 000 citizens (requires a positive balance).
Own 50 bus routes (requires a positive balance).
Income is higher than 500 000.
Trade 200 tokens (requires a positive balance).
Reach 500 000 citizens.
Own 10 bus routes (requires a positive balance).
Own 3 000 buildings in your town (requires a positive balance).
Trade 100 tokens (requires a positive balance).
Own a budget of 100 000 000 (requires a positive balance).
Trade 1 token (requires a positive balance).
Own 200 kilometers of roads.
Own a budget of 10 000 000 (requires a positive balance).
Own 1 bus route (requires a positive balance).
The unemployment rate is below 1% for 50 000 citizens (requires a positive balance).
Environment satisfaction is higher than 70% for 50 000 citizens. (requires a positive balance).
Own 1 000 buildings in your town (requires a positive balance).
Own 50 kilometers of roads.
Own a budget of 500 000 (requires a positive balance).
Income is higher than 10 000.
Reach 5 000 citizens.
Income is higher than 1 000.
The unemployment rate is below 1% for 1 000 citizens (requires a positive balance).
Environment satisfaction is higher than 70% for 1 000 citizens. (requires a positive balance).
Own 10 kilometers of roads.