Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Budget (Bronze)	Own a budget of 500 000 (requires a positive balance).
Budget (Gold)	Own a budget of 1 000 000 000 (requires a positive balance).
Budget (Silver)	Own a budget of 10 000 000 (requires a positive balance).
Builder (Bronze)	Own 1 000 buildings in your town (requires a positive balance).
Builder (Gold)	Own 16 000 buildings in your town (requires a positive balance).
Builder (Silver)	Own 4 000 buildings in your town (requires a positive balance).
Bus (Bronze)	Own 1 bus route (requires a positive balance).
Bus (Gold)	Own 500 bus routes (requires a positive balance).
Bus (Silver)	Own 50 bus routes (requires a positive balance).
Environment (Bronze)	Environment satisfaction is higher than 70% for 1 000 citizens. (requires a positive balance).
Environment (Gold)	Environment satisfaction is higher than 70% for 1 000 000 citizens. (requires a positive balance).
Environment (Silver)	Environment satisfaction is higher than 70% for 50 000 citizens. (requires a positive balance).
Full employment (Bronze)	The unemployment rate is below 1% for 1 000 citizens (requires a positive balance).
Full employment (Gold)	The unemployment rate is below 1% for 1 000 000 citizens (requires a positive balance).
Full employment (Silver)	The unemployment rate is below 1% for 50 000 citizens (requires a positive balance).
Income (Bronze)	Income is higher than 1 000.
Income (Gold)	Income is higher than 500 000.
Income (Silver)	Income is higher than 10 000.
Let's ride! (Bronze)	Own 10 kilometers of roads.
Let's ride! (Gold)	Own 10 000 kilometers of roads.
Let's ride! (Silver)	Own 1 000 kilometers of roads.
Total population (Bronze)	Reach 5 000 citizens.
Total population (Gold)	Reach 10 000 000 citizens.
Total population (Silver)	Reach 500 000 citizens.
Trader (Bronze)	Trade 1 token (requires a positive balance).
Trader (Gold)	Trade 5 000 tokens (requires a positive balance).
Trader (Silver)	Trade 100 tokens (requires a positive balance).