Have 50 transport lines

Have no polluting industry in your city, only Office Zone and specialized zones.

Have the industry tax rate over 5% higher than either residential tax rate for one year

Have 5 Fire Stations

Have 20 transport lines

Have both residential tax rates over 5% higher than industry for one year

Have 15% happiness

Fill five landfill sites

Have a Citizen educated to level 3 from 0

Defeat 30 enemies with gold weapons

Purchase a new map tile for the first time

Unlock all city services

Use the district tool to draw 3 districts